30 Day Refund • 3-Year Warranty

Description

Retekess TT136 = 120+ Interpreters

The international version supports 79 general-purpose languages with ongoing updates, plus 81 speech recognition languages and 84 languages for translation and playback, covering communication needs across 120+ countries and regions.

Regional Language Coverage

Supported languages are organized by region for a cleaner and lighter reading experience.

Europe English, French, German, Spanish, Portuguese, Italian, Dutch, Danish, Swedish, Norwegian, Finnish, Greek, Polish, Czech, Slovak, Slovenian, Croatian, Romanian, Bulgarian, Hungarian, Lithuanian, Latvian, Estonian, Albanian, Serbian, Bosnian, Macedonian, Icelandic, Irish, Maltese, Catalan, Basque, Galician, Welsh
Americas English, Spanish, Portuguese, French
East Asia Chinese, Japanese, Korean, Mongolian
Southeast Asia Filipino, Vietnamese, Malay, Thai, Indonesian, Burmese, Javanese, Khmer, Lao
South Asia Hindi, Bengali, Tamil, Telugu, Gujarati, Kannada, Malayalam, Marathi, Assamese, Nepali, Odia, Punjabi, Sinhala, Urdu
Middle East Arabic, Hebrew, Persian, Pashto, Armenian, Georgian
Central Asia Azerbaijani, Kazakh, Uzbek
Africa Afrikaans, Amharic, Swahili, Somali, Zulu
Buy once. Use long term. Save 90%+ on repeated multilingual events.
Comparison Item Hire Interpreters + Rent Equipment RETEKESS TT136 Kit
8-Hour Session Cost $1685 ~ $2345 per single event Translation at $1.5/hour
Translation Function Only 2 languages; extra cost for multi-language, advance booking required Built-in Microsoft & Google 120-language translation, equal to 120 on-call interpreters
Equipment Demand Rent full sets each time, extra delivery & debugging fees Complete hardware included, zero extra rental & service fees
Flexibility Need reservation, restricted by venue conditions Ready anytime, no booking & venue limits
Long-Term Expense Over $16850 for only 10 sessions One-time purchase, save over 90% total costs

Core Functions

Guide. Recognize. Record. Reuse.

Simultaneous Interpretation: Single / Dual Broadcast

In this mode, one speaker's speech can be translated into one/two target languages in real time without extra guides or interpreters. Fast, accurate, and low-delay, one-to-many translation makes cross-language communication simple.

TT136 smart language recognition image

Smart Language Recognition

During the same session, TT136 can handle speech from participants using up to 10 spoken languages and translate the content into two target languages. Listeners simply choose the receiver channel assigned to their group.

TT136 two-way group translation image

Two-Way Group Translation

TT136 helps two language groups follow the same tour, explanation, or discussion more easily. The current speaker uses the transmitter while different groups wear different receivers. Each group listens to its assigned language channel. Ideal for guided tours, group Q&A, meetings, and bilingual presentations.

TT136 original one-to-many voice guide image

Original One-to-Many

When translation isn't needed, the device works as a professional one-way guide system. The speaker's voice is sent directly to all receivers in real time, delivering clear, immersive sound for tours, factory visits, schools, and training. This function works without internet access.

TT136 AI summary and record image

AI Summary & Record

Supports recording, playback, local storage, and AI summary. Stored recordings and voice content can be replayed locally, helping with repeated training, self-guided use, and content review.

Ergonomic Receivers

Lightweight, open-ear receivers are non-intrusive, hygienic, and comfortable for long-time use. The ear hook fits either ear, making them perfect for public and repeated use.

Spec Features

Stable. Lightweight. Efficient. Practical specs for daily operation and team deployment.
2.4G
Stable wireless transmission
0–9999 Channels
Optional channels
492–656 ft
Open-area range coverage
20h
Transmitter working hours
13h
Receiver working hours
3.5h
Charging time
3.99" HD
Touchscreen for easy control
18g
Ear-hook receiver weight
3G+16G TF
Memory expansion supported
30 / 50 Slot
UV charging case

Package Includes

Bulk orders and custom team combinations can be quoted based on your team size, languages, and charging-case needs.
Package Includes
5-person Set Transmitter X 1, Ear-hook receiver X 5, Boom Microphone X 2, Charging cable X 6, Lanyard X 6, User manual X 1
10-person Set Transmitter X 1, Ear-hook receiver X 10, Boom Microphone X 2, Charging cable X 11, Lanyard X 11, User manual X 1
15-person Set Transmitter X 1, Ear-hook receiver X 15, Boom Microphone X 2, Charging cable X 16, Lanyard X 16, User manual X 1
20-person Set Transmitter X 1, Ear-hook receiver X 20, Boom Microphone X 2, Charging cable X 21, Lanyard X 21, User manual X 1
25-person Set + 30-Slot Charging Case Transmitter X 1, Ear-hook receiver X 25, Boom Microphone X 2, Charging cable X 27, Lanyard X 26, User manual X 1, 30-Slot Charging Case X 1
30-person Set + 30-Slot Charging Case Transmitter X 1, Ear-hook receiver X 30, Boom Microphone X 2, Charging cable X 32, Lanyard X 31, User manual X 1, 30-Slot Charging Case X 1
40-person Set + 30-Slot Charging Case *2 Transmitter X 1, Ear-hook receiver X 40, Boom Microphone X 2, Charging cable X 42, Lanyard X 41, User manual X 1, 30-Slot Charging Case X 2
50-person Set + 30-Slot Charging Case *2 Transmitter X 1, Ear-hook receiver X 50, Boom Microphone X 2, Charging cable X 52, Lanyard X 51, User manual X 1, 30-Slot Charging Case X 2
LIMITED-TIME OFFER Order selected TT136 packages now to receive complimentary gift.

Available for a limited period while promotional stock lasts. Secure your package today to enjoy added value at no extra cost.

Free 100h translation credits FREE100h Credits$149.99

Tutorials

Pair. Set up. Use confidently. Quick video guides for daily operation.

Why Choose RETEKESS Simultaneous Interpretation Equipment

Customized Solutions

Retekess offers tailored interpretation solutions based on venue type, audience size, and language needs, with free demos available on request.

24/7 Fast Response

Retekess offers prompt support for product selection, project planning, and order coordination to keep your purchase process efficient.

18 Years Technical Support

With 18 years of R&D experience, Retekess provides professional technical support and 1-on-1 expert assistance.

Reliable After-Sales Service

Retekess offers reliable after-sales service with a 30-day free trial and 3-year warranty for added peace of mind.

Need an interpretation solution for your team or multilingual event? Contact us for a customized recommendation.

Get Your Team's Solution

Retekess Supported a Presidential Factory Visit in Finland

Retekess helped Juustoportti Dairy Plant manage communication and group guidance during an important presidential reception, creating a clearer and more professional visit experience.

View Case Study →

Choose the Right Solution for Your Interpretation Needs

TT136 AI Translation System
Portable Interpretation Systems
Professional Conference Interpretation Systems
Features
  • Interpreter Required
  • Language Support / Interpreters
  • Monitor
  • TX Type
  • RX Type
  • Channels
  • Range
  • Frequency
  • Multi-System Operation
  • Noise Reduction
  • Two-way Talk
  • Battery Life (RX/TX)
  • Compatibility
  • Translation Engine
  • Best Use Case
Features
  • Interpreter Required
  • Language Support / Interpreters
  • Monitor
  • TX Type
  • RX Type
  • Channels
  • Range
  • Frequency
  • Multi-System Operation
  • Noise Reduction
  • Two-way Talk
  • Battery Life (RX/TX)
  • Compatibility
  • Best Use Case

TT106S

Tangle free interpretation system

  • 3
  • Handheld
  • Earhook
  • 9999
  • 200 m
  • 2.4–2.485 GHz
  • 23 h / 50 h
  • Extremely lightweight receiver needed / Churches, schools, and community events

TT116

Handheld interpretation system

  • 4-8
  • Handheld
  • Handheld
  • 50
  • 200 m
  • UHF
  • 10 h / 13 h
  • Replaceable batteries for extended use / Churches, schools, and community events
Features
  • Interpreter Required
  • Language Support / Interpreters
  • Monitor
  • TX Type
  • RX Type
  • Channels
  • Range
  • Frequency
  • Multi-System Operation
  • Noise Reduction
  • Two-way Talk
  • Battery Life (RX/TX)
  • Compatibility
  • Best Use Case

TT118&TT119

Reliable FM interpretation system

  • 6
  • Table-top
  • Handheld
  • 17
  • 120 m
  • FM 72–76 MHz
  • Unlimited / 10 h
  • Fixed‑venue meetings / Large conferences, churches, courtrooms, seminars

T130T

UHF tabletop interpretation system

  • 7-12
  • Table-top
  • Handheld
  • EU Version7~8 / US Version12~15
  • 250 m
  • UHF
  • Unlimited / 40 h
  • T131U/T131R
  • Fixed‑venue meetings / Large conferences, churches, courtrooms, seminars

Spec

TT136 Translation Transmitter
Main Unit Size 48 mm × 154 mm × 17 mm (1.890 in × 6.063 in × 0.669 in)
Main Unit Weight Approx. 155 g
Material ABS body, tempered-glass back cover, acrylic display window
Display 3.99-inch touchscreen
Storage / Expansion 2 GB + 16 GB; TF card supports up to 128 GB
System and Apps Supports mainstream Android APK installation; background playback, mono/bilingual translation, AI summaries, recording/playback, image browsing, video playback, etc.
Network Connection Wi-Fi / mobile hotspot
Bluetooth Bluetooth 5.0
Audio Interface 3.5 mm audio input/output; built-in microphone
Operating Frequency 2400.0-2483.5 MHz
Number of Channels 0-9999
Frequency Stability 20 ppm
SNR ≥ 82 dB
Frequency Response 20 Hz-16 kHz
Channel Spacing 250-500 kHz
Distortion < 1%
TX Power 16 dBm
Charging Method Type-C, 5 V / 1 A
Battery Capacity 3250 mAh lithium battery
Working Time Approx. 20 h for transmission only; approx. 4-6 h for transmission + translation. Actual runtime depends on operating conditions.
Transmission Range Approx. 150-200 m (492-656 ft) in open areas
Charging Time Approx. 3 h
Operating Temperature 0°C-50°C
TT136 Ear-hook Receiver
Main Unit Size 50 mm × 15.5 mm × 65.5 mm (1.9685 in × 0.6102 in × 2.5787 in)
Main Unit Weight Approx. 13 g
Wearing Style Open ear-hook structure; supports left/right ear wearing
Charging Method Type-C / charging case
Operating Frequency 2400.0-2483.5 MHz
Number of Channels 0-9999
Frequency Stability 20 ppm
SNR ≥ 82 dB
Frequency Response 20 Hz-16 kHz
Distortion < 1%
Sensitivity -80 dB
Working Current 16 mA
Charging Current 100 mA
Battery Capacity 200 mAh lithium battery
Working Time Approx. 13 h
Receiving Range Approx. 200 m (656 ft) in open areas
Volume Adjustment 5 levels
Charging Time Approx. 2 h
30-Slot Charging Case
Slots 30 slots
AC Input 110-220 V AC
DC Output 5 V DC
30-slot Case Size / Weight Product size: 452 × 248 × 162 mm (17.80 in × 9.76 in × 6.38 in); gross weight approx. 3.4 kg
Charging Current Constant max. 480 mA, average approx. 400 mA
Charging Time Approx. 3 h
Functions Centralized charging, storage, and disinfection; over-voltage, over-current cut-off, and short-circuit protection
50-Slot Charging Case
Slots 50 slots
AC Input 110-220 V AC
DC Output 5 V DC
50-slot Case Size / Weight Product size: 540 × 368 × 162 mm (21.26 in × 14.49 in × 6.38 in); gross weight approx. 4.7 kg
Charging Current Constant max. 480 mA, average approx. 400 mA
Charging Time Approx. 3 h
Functions Centralized charging, storage, and disinfection; over-voltage, over-current cut-off, and short-circuit protection

FAQ

Q: Does TT136 need internet to work?

A: AI translation requires internet access, such as Wi-Fi or a mobile hotspot. The original one-to-many tour guide mode works without internet.

Q: Can one transmitter support the original audio plus two translated languages?

A: For translated output, TT136 currently supports up to 2 target languages at the same time. For speaker language recognition, it can recognize up to 10 spoken languages in one session. The technology is continuously being updated.

Q: How are translation credits calculated?

A: Each TT136 includes 100 hours of factory-provided translation time. Each second of AI translation consumes 2 translation credits, and credits are deducted based on actual translation duration once the translation function is activated. If you need more translation credits, additional packages can be purchased.

Q: If no translation is used, are credits still consumed?

A: No. Translation credits are only used when the AI translation function is activated. If you use TT136 only for original audio transmission, no translation credits are consumed.

Q: Does TT136 support real-time AI translation?

A: Yes. It uses AI speech recognition and online translation engines, including Microsoft and Google, to provide real-time translation in up to 120 languages.

Q: How accurate is dialect translation?

A: TT136 is equipped with a dual translation system. The main standard-language translation system provides an accuracy rate of over 85%. For dialects and regional accents, users can switch to the dedicated backup translation system, which can improve translation accuracy up to 97% (excluding classical poetry).

Q: Will translation delay be greatly affected by the network connection?

A: Translation response speed is slightly affected by the network connection. The delay is generally controlled between 80 and 400 ms, and users can adjust the translation interval according to their needs.

Q: How do I pair the transmitter and receivers?

A: After power-on, the transmitter and receivers pair automatically within 5 meters. If they do not pair automatically, keep the transmitter on and press and hold Volume + and Volume - on the receiver to reconnect.

Q: Can I return the system after testing it?

A: Please check our return policy or contact us before purchase to confirm trial use, return conditions, and related details.

Q: What's the main difference between TT136 and traditional tour guide systems?

A: Traditional tour guide systems only transmit the original voice. TT136 adds AI real-time translation, making it suitable for multilingual group communication.

Q: Can TT136 be used without AI translation?

A: Yes. TT136 can also be used as a regular one-to-many wireless tour guide system when AI translation is not activated. In this mode, it transmits the speaker’s original voice and does not consume translation credits.

Q: What applications is TT136 best suited for?

A: TT136 is ideal for multilingual tours, international training, factory visits, church translation, business reception, exhibitions, and other group communication scenarios where both original audio transmission and real-time AI translation may be needed.

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Documents

Tour Guide System

TT136-manual
1.98 MB pdf
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