UGreen Bluetooth AUX Adapter with Built-in Battery - Black

UGreen Bluetooth AUX Adapter with Built-in Battery – Black | 40759

The UGreen 40759 Bluetooth AUX Adapter is a compact wireless audio receiver designed to transform traditional wired audio systems into Bluetooth-enabled devices. With advanced Bluetooth technology, high-quality audio decoding, and versatile connectivity options, this adapter allows you to stream music wirelessly from smartphones, tablets, and laptops to speakers, amplifiers, and car audio systems.

Key Specifications

Brand: UGreen

Model: 40759

Product Type: Bluetooth Audio Receiver

Bluetooth Version: 5.0

Audio Output: 3.5mm AUX / RCA Stereo

Frequency Response: 20Hz – 20kHz

Signal-to-Noise Ratio: >90dB

Wireless Range: Up to 10m

Power Supply: Micro-USB 5V

Codec Support: aptX, SBC

Color: Black

Wireless Audio Streaming with Bluetooth 5.0

Equipped with Bluetooth 5.0 technology, the adapter delivers stable wireless connections with low latency and improved signal strength. It allows smooth audio streaming without interruptions, ensuring a reliable listening experience even in environments with potential signal interference

High-Quality Audio with aptX Support

The adapter supports aptX audio decoding, enabling CD-level sound quality with clearer details and reduced audio compression compared to standard Bluetooth codecs. With a frequency response of 20Hz–20kHz and a signal-to-noise ratio above 90dB, it provides balanced sound across bass, mids, and highs.

Flexible Dual Audio Output

Designed for versatility, the receiver features both 3.5mm AUX and RCA stereo outputs, allowing it to connect easily with a wide range of audio equipment including:

Home stereo systems

Amplifiers and speakers

Car audio systems

Desktop speakers and multimedia setups

This flexibility makes it ideal for upgrading older audio equipment with modern wireless streaming capability

Reliable Wireless Range

With a built-in antenna and optimized Bluetooth transmission, the adapter provides a wireless range of up to 10 meters, allowing you to move freely while controlling music from your device without losing connection quality.

Simple Plug-and-Play Setup

The adapter is designed for easy installation and quick pairing. Simply connect it to your audio device using the AUX or RCA cable, power it through the Micro-USB port, and pair your smartphone or tablet via Bluetooth to start streaming music instantly.

Compact & Minimalist Design

Finished in matte black, the compact design blends seamlessly with home entertainment systems, car interiors, and desktop setups. Its lightweight construction ensures easy portability and convenient placement near audio equipment.

Ideal For

Upgrading non-Bluetooth speakers or amplifiers

Wireless music streaming from smartphones

Car audio systems with AUX input

Home stereo and entertainment setups