Tech-Protect Ultraboost AU02 Bluetooth 5.4 Audio Transmitter/Receiver - Black

Tech-Protect Ultraboost AU02 Bluetooth 5.4 Audio Adapter - AUX 3.5mm Receiver and Transmitter with Microphone

The Tech-Protect Ultraboost AU02 is a compact 2-in-1 Bluetooth audio adapter designed to bring wireless convenience to devices that do not have built-in Bluetooth. With both receiver and transmitter modes in one lightweight unit, it gives you a simple way to stream audio from a phone to a car stereo, speaker, or amplifier, or send sound from a TV, computer, or projector to wireless headphones or speakers. This makes it a practical solution for everyday use at home, in the car, or at work.

Powered by Bluetooth 5.4, the AU02 offers a stable wireless connection with a range of up to 15m, helping make audio streaming smoother and more dependable. In receiver mode, it can add Bluetooth playback to wired audio equipment, while the built-in microphone also allows hands-free calls when connected in the car. In transmitter mode, it wirelessly sends sound from AUX-equipped devices to compatible Bluetooth headphones or speakers, making it easier to enjoy films, music, and other content without cable limitations.

Its slim, lightweight design makes it easy to keep in a pocket, glove compartment, laptop bag, or desk drawer, while USB-C charging adds everyday convenience. For users who want a simple and versatile way to modernise older audio equipment, the AU02 is a very practical upgrade.

Main Features and Specifications
- 2-in-1 Bluetooth audio adapter with receiver and transmitter modes in one compact device
- Bluetooth 5.4 for a more stable wireless connection and dependable everyday audio streaming
- RX mode receives audio wirelessly from a phone, tablet, or other Bluetooth device
- TX mode transmits audio wirelessly from AUX-equipped devices to Bluetooth headphones or speakers
- 3.5mm AUX connection for wide compatibility with car stereos, speakers, amplifiers, TVs, computers, and projectors
- Built-in microphone for hands-free calling in receiver mode
- Wireless range of up to 15m
- Battery capacity: 180mAh
- Up to 5 hours of music playback or talk time
- Up to 100 hours of standby time
- USB-C charging for more convenient recharging
- Full charging time: approximately 2.5 hours
- Lightweight design at only 0.012kg
- Compact dimensions: 100 x 22 x 13mm
- Model: AU02

Ideal Examples of Usage
- Adding Bluetooth music streaming to a car stereo with AUX input
- Making hands-free calls through a car audio system in receiver mode
- Sending TV sound wirelessly to Bluetooth headphones for more private listening
- Connecting a computer or projector to wireless speakers without extra cables
- Giving an older home speaker or amplifier simple Bluetooth functionality
- Keeping a compact wireless audio solution in a travel bag or office drawer for flexible everyday use

Why This Product Is Perfect to Buy
The TECH-PROTECT Ultraboost AU02 is perfect for users who want a simple and affordable way to add Bluetooth functionality to wired audio devices. Instead of replacing older equipment, you can upgrade it with one small adapter that supports both receiving and transmitting audio. That makes it especially useful for cars, home audio systems, TVs, and computers that still sound great but lack modern wireless connectivity.

It is also a smart choice because it combines versatility and portability in a very compact design. With both RX and TX modes, built-in call support, and USB-C charging, it gives you more flexibility than a standard one-way adapter while remaining easy to carry and easy to use.

Interesting Facts About This Type of Adapter
Bluetooth AUX adapters have become increasingly popular because they help extend the life of older audio equipment without requiring a full replacement. Models with both receiver and transmitter modes are especially practical, as they can solve two different everyday needs with one device. Compact adapters with built-in microphones are also useful in cars, since they can add both wireless music playback and hands-free calling to systems that originally offered only wired audio input.

Package Includes
- 1 x TECH-PROTECT Ultraboost AU02 Adapter
- 1 x USB-A to USB-C Cable (0.3m)
- 1 x User Manual

Package: Euroblister