• Digital signal transmission, effectively resists environmental interference and noise
• One-touch operation, easy to use
• The receiver can operate for up to 40 hours
Note: The European frequency receiver earphones have been replaced with D-type earphones.


T130U T131U wireless audio guide system employ digital modulation technology. This advanced encoding method minimizes harsh noise in factory or complex environments, ensuring stable and secure audio transmission. Listeners can clearly hear the guide's explanations, enabling efficient and convenient communication even in noisy conditions.


Provides excellent noise reduction and effectively minimizes environmental interference, ensuring clear sound quality ideal for factory settings.

Pressing the transmitter's mute button silences the receiver for private conversations or audio pauses.

One-click auto channel sync – no individual pairing needed. And more, the system remembers paired channels for easy use.

It can force all receivers to turn off simultaneously with one click, thereby improving efficiency.


The receiver is equipped with a built-in rechargeable lithium battery that delivers up to 40 hours of operation, while the transmitter operates for 10 hours. This eliminates the need for frequent charging, ensuring a stable power supply for extended work during factory visits and preventing signal interruptions due to power outages.

The T130U audio guide system has a long working distance, up to 200m/656ft ft in an open area.

Type-C cable and contact-based charging with 32/60-slot case for efficient multi-device powering.If you need a charging box kit, click here to purchase.

In addition to supporting MIC input, it can also transmit external audio via Bluetooth or AUX interface.


The transmitter microphone offers 4 levels of gain adjustment, allowing team leader to fine-tune the microphone gain based on ambient noise levels and visitor feedback. The receiver volume offers 10 levels of adjustment, catering to different hearing needs and ensuring a comfortable listening experience for everyone.
The receiver automatically shuts down after 20 minutes of no signal, preventing users from forgetting to turn it off and improving operational efficiency;
The chest-hook style is compact and portable, featuring a universal ear hook for both ears for flexibility and comfort, and replaceable foam covers ensure hygiene.
The transmitter supports charging while in use, allowing for normal operation even with low battery.
It supports up to 50 channels, ensuring that audio transmission will not be interfered with even if multiple teams are working at the same time in the same area.
Retekess tour guide system suitable industries and venues: Manufacturing, tourism (museums, art galleries, churches, city tours, etc.), construction, churches, school education/tourism, translation assistance, conferences,courts, and employee training, among other group wireless communication needs. Whether you're planning a small business visit or a large group tour, please contact us today. We're here to assist you and provide free, customized solutions to meet your unique needs.
| KIT 1 | 1 Transmitter + 15 Receivers |
| Transmitter*1、Receiver*15、Lavalier Microphone*1、Single-ear Earphone*15、USB Charging Cable*16、 Lanyard*16、Headset Microphone*1 | |
| KIT 2 | 1 Transmitter + 20 Receivers |
| Transmitter*1、Receiver*20、Lavalier Microphone*1、 Single-ear Earphone*20、USB Charging Cable*21、 Lanyard*21、Headset Microphone*1 |
Retekess navigation systems sell over 12,000 units annually and are backed by a 30-day no-questions-asked return policy and a 2-year warranty. Our consistent quality and practicality have made us popular among consumers worldwide. With a high customer satisfaction rate of 95.33%, our products are recognized for their performance and service experience. You can purchase and use our products with complete confidence.
| T130U Transmitter | T131U Receiver | ||
| Operating frequency range | US version: 902-928MHZ European version:823-832/863-865MHz |
Operating frequency range | US version: 902-928MHZ European version:823-832/863-865MHz |
| Number of channels | US version: 50 European version: 19 |
Number of channels | US version: 50 European version: 19 |
| Frequency stability | 20 ppm | Frequency stability | 20 ppm |
| Operating temperature | -10 degrees—50 degrees | Operating temperature | -10 degrees—50 degrees |
| Operating voltage | 3.7V | Operating voltage | 3.7V |
| Signal-to-noise ratio | - 87dB | Signal-to-noise ratio | - 87dB |
| Frequency response range | 20hz-4khz | Frequency response range | 20hz-4khz |
| Channel spacing | 500K | Channel spacing | 500K |
| Distortion | 0.01 | Distortion | 0.01 |
| Audio output/input interface | 3.5MM | Audio output/input interface | 3.5MM |
| Operating current | 190MA | Operating current | 15MA |
| Transmitting power | 21DBM | Sensitivity | -92dB |
| Charging current | 500mA | Charging current | 250mA |
| Charging time | 5H | Charging time | 3H |
| Operating time | 10H | Operating time | 40H |
| Transmitting distance | 200m/656ft | Receiving distance | 200m/656ft |
| Battery capacity | 2000MAH | Battery capacity | 600MAH |
| Weight | 71g | Weight | 38g |
Q: What is the warranty for the wireless two-way comunication system?
A: We offer a 30-day no-reason return and a 2-year warranty, so you can try it with confidence.
Q: The quantity combination I want is not available here, what should I do?
A: We support customizing the number of transmitters, receivers, and charging accessories, contact us to get them.
Robert
Dec 05, 2025
It seems to have stronger noise cancellation than the brands we used before, and it's good value for money.
John Griffith London
Nov 13, 2025
The factory environment was very noisy, but after using this, the whole world felt quiet.
Mark Anthony Gatan
Jun 28, 2025
I was really impressed with the battery life. After charging, the receiver lasted us for over 40 hours, which is perfect for long days of touring without needing a recharge.
Torgeir Vaular
Feb 06, 2025
The automatic pairing feature made setting up the system so easy. Plus, turning all the receivers off with just one button saved a lot of time and effort at the end of the day.
Chris
Nov 28, 2024
I used them on a hiking trip last week and they worked flawlessly in the wilderness with adjustable volume for different ages. The fact that they are easy to clean (after getting dusty while traveling) is an added bonus. Delivery from the website was prompt and the product was in perfect condition. Many thanks!