UGREEN Bluetooth 5.1 Receiver Audio Adapter aptX with Mic (70304)

UGREEN Bluetooth 5.1 Receiver Audio Adapter aptX with Mic (model 70304) is a compact and functional Bluetooth receiver with support for Bluetooth 5.1 and aptX codec. It is designed for wireless audio streaming from a phone, tablet, laptop, or other Bluetooth device to wired audio systems — speakers, amplifiers, car audio, and headphones.

The device features a built-in microphone for hands-free calls, making it ideal for wireless music listening and communication through standard audio devices without built-in Bluetooth.

Key Features

Bluetooth 5.1 with aptX support
Bluetooth 5.1 provides a stable connection, low latency, and broad compatibility, while aptX support enhances wireless audio quality, delivering richer and more detailed sound compared to standard SBC.

Converts wired audio systems to Bluetooth devices
The receiver allows you to connect a phone or tablet to any device with a 3.5 mm AUX or RCA input and play music wirelessly — ideal for speakers, amplifiers, receivers, home Hi-Fi systems, and car audio.

Built-in microphone for calls
The adapter includes a hands-free microphone, allowing you to answer phone calls through the Bluetooth receiver while driving or near an audio system.

Easy setup
Connection occurs in two steps — enable Bluetooth on your phone, find the receiver in the device list, and pair it. After the first connection, the phone will automatically connect next time Bluetooth is activated.

Wide compatibility
Works with all Bluetooth-enabled devices — smartphones, tablets, laptops, etc. Supports most audio inputs:

• 3.5 mm AUX / Jack

• RCA inputs (via adapter cable)

Applications

With the UGREEN Bluetooth Audio Adapter, you can:

• Listen to music from your phone on non-Bluetooth speakers

• Stream wireless audio to a car stereo system

• Make hands-free calls through your audio system

• Use old headphones as a Bluetooth headset

• Connect a tablet or laptop to a stereo system

Technical Specifications