The Tech-Protect Ultraboost AU03 adapter works as a Bluetooth 6.0 receiver or transmitter, adding wireless connectivity to devices with a 3.5 mm jack. As a receiver, it connects to a speaker, soundbar, or car amplifier to play audio from a phone or tablet. As a transmitter, it connects to the audio output of a TV, computer, game console, or other device and streams audio to wireless headphones or speakers.
It supports simultaneous connections to two devices in both modes. The built-in battery provides approximately 7 hours of operation on a single charge.
- Type: Bluetooth receiver and transmitter
- Bluetooth: 6.0
- Modes: RX (receiver) and TX (transmitter)
- Range: Up to 10 m
- Simultaneous connections: 2 devices
- Protocols: SBC, AAC, A2DP, HSP, AVRCP
- Frequency: 2402–2480 MHz
- RF power: 10 dB
- Battery: 120 mAh
- Operating time: Approximately 7 hours
- Charging time: Approximately 2 hours
- Charging input: 5 V / 1 A, USB-C
- Dimensions: 53 × 20 × 12 mm
- Package contents: Adapter, 30 cm USB-A to USB-C charging cable, user manual
- Microphone
- -
- NFC
- No
- Transmitter
- Yes
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.