• Digital modulation technology,better sound quality, less noise
• Multi-channel, supports multiple translation groups
• One-click mute, one-click turn off
• Up to 40 hours of battery life, ensuring uninterrupted audio transmission
Note: The European frequency receiver earphones have been replaced with D-type earphones.


The T130U digital wireless interpretation system utilizes digital transmission technology, delivering clear and stable sound quality that effectively resists ambient noise. It is also simple to operate and easy to set up. Widely used in various events and conferences, it is an ideal choice for schools, churches, auditoriums, courts, and other venues.

It supports up to 50 channels, allowing translators to simultaneously interpret multiple languages in the same location without interference.

Employing high-fidelity digital modulation technology and noise reduction, participants can hear the speaker's voice clearly.

One-click mute transmitter, automatic channel synchronization, and one-click turn off all receivers.


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, preventing signal interruptions due to power outages.

The T130U wireless interpretation 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, providing you with more flexible usage options.


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.
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 + 6 Receivers |
| Transmitter*1、Receiver*6、Lavalier Microphone*1、Single-ear Earphone*6、USB Charging Cable*7、 Lanyard*7、Headset Microphone*1 | |
| KIT 2 | 1 Transmitter + 10 Receivers |
| Transmitter*1、Receiver*10、Lavalier Microphone*1、Single-ear Earphone*10、USB Charging Cable*11、 Lanyard*11、Headset Microphone*1 | |
| KIT 3 | 2 Transmitter + 20 Receivers |
| Transmitter*2、Receiver*20、Lavalier Microphone*2、 Single-ear Earphone*20、USB Charging Cable*22、 Lanyard*22、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.
Johnson
Dec 05, 2025
I spent a long time communicating with customer service before deciding to place an order. Thank you so much for answering all my questions.
Alex
Dec 05, 2025
The logistics were fast, it arrived just the day before the event, and thankfully, there were no problems.
Williams
Oct 15, 2025
Well enough...
Noah
Oct 13, 2025
The church needs it for an event soon. It works well, but the shipping was a bit slow.
Lucy
Sep 25, 2025
Received it, the quality is great, channel switching is very convenient, everyone likes it, it meets our needs.