UGREEN Bluetooth audio receiver 90748 — 3.5mm AUX wireless adapter for audio streaming

UGREEN Bluetooth audio receiver 90748 is a compact 3.5mm AUX wireless adapter that enables Bluetooth audio streaming for devices with an AUX input. It connects to car stereos, home speakers and wired headphones to receive audio from smartphones, tablets or other Bluetooth-enabled sources. The adapter supports hands-free playback and simplifies adding wireless functionality to older or wired audio systems without replacing the existing equipment.

Advantages

The receiver provides plug-and-play operation with a 3.5mm AUX connector for quick installation. Its compact form factor and low power draw make it suitable for prolonged in-car use or integration with home audio setups. The device maintains a stable Bluetooth connection and allows wireless control of audio playback from a paired device. It removes the need for cable connections during streaming and is compatible with a wide range of audio sources and AUX-equipped outputs.

Suitable for

• Adding Bluetooth streaming to car stereos with an AUX input
• Upgrading bookshelf or powered speakers lacking wireless connectivity
• Using wired headphones or portable speaker systems as Bluetooth receivers
• Enabling hands-free audio playback from smartphones and tablets

Key specifications

• Connector type: 3.5 mm AUX male
• Wireless interface: Bluetooth (audio receiver mode)
• Compact and lightweight housing for portable use
• Power supply: rechargeable internal battery or USB power (as provided by the device)
• Compatible output: analogue stereo line-level via 3.5 mm jack

How to use

Connect the 3.5mm AUX plug of the UGREEN Bluetooth audio receiver 90748 into the AUX input of your car stereo, speaker or headphone amplifier. Power the receiver using its internal battery or by connecting a USB power source if required. Put the receiver into pairing mode following the included instructions, then pair it from your smartphone or tablet’s Bluetooth settings. Once paired, play audio on the source device and control volume and playback using the source device or connected audio system.

Usage recommendations

For best audio quality, ensure the connected audio system’s input selection is set to AUX and volume levels are adjusted to avoid distortion. Keep the paired device within typical Bluetooth range and avoid placing heavy objects between the receiver and source to maintain a stable connection. Charge the receiver regularly if using its internal battery for uninterrupted operation.