Tech-Protect Ultraboost AU02 Bluetooth 5.4 audio adapter - black
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Description
The Tech-Protect Ultraboost AU02 is a dual-function Bluetooth 5.4 audio adapter with a 3.5mm AUX output that works as both a receiver (RX) and transmitter (TX) of the audio signal. Thanks to the mode switch on the housing, one device replaces two – you can wirelessly receive audio from your phone on a speakerphone or car speaker, or stream audio from your TV, computer, or projector to wireless headphones.
In RX (receiver) mode, the adapter, connected to a speaker, car kit, or amplifier, receives the audio signal from a phone or other Bluetooth device and plays it through the connected device. The built-in microphone allows for hands-free calling directly through the car kit. In TX (transmitter) mode, the adapter, connected to a TV or computer via the AUX port, transmits audio wirelessly to Bluetooth headphones or speakers—ideal for watching movies or listening to music without wires.
Bluetooth 5.4 ensures a stable connection with a range of up to 15 meters. The 180 mAh battery provides up to 5 hours of music playback or calls, and 100 hours of standby time. Charging via USB-C takes approximately 2.5 hours. The lightweight and compact design (only 12g) ensures everyday use.
The Tech-Protect Ultraboost AU02 is a simple and effective solution for anyone who wants to add Bluetooth connectivity to equipment without a built-in module – in the car, home or office.
Product features
- 100% Original
- Packed in original packaging
- Bluetooth 5.4 – stable connection up to 15 m
- Two operating modes: RX (receiver) and TX (transmitter)
- 3.5mm AUX output/input
- Built-in microphone – hands-free calls in RX mode
- Working time: 5 hours of music/talk, 100 hours of standby
- USB-C charging – full charge in approx. 2.5 hours.
- Weight: 12 g – lightweight and compact design
Specification
The set includes
1 × Tech-Protect Ultraboost AU02 Adapter
1 × USB-A to USB-C cable (0.3 m)
1 × User Manual
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