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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 SpecificationsBrand: 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 5.0Equipped 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 |  |
| Model No | UGreen Bluetooth AUX Adapter with Built-in Battery - Black |
| Part No | 40759 |
| Color | Black |
| Product Type | Bluetooth Audio Receiver (AUX Adapter) |
| Bluetooth Version | Bluetooth 5.0 |
| Audio Output | 3.5 mm AUX / RCA L-R |
| Wireless Range | Up to 10 m |
| Frequency Response | 20 Hz – 20 kHz |
| Signal-to-Noise Ratio | >90 dB |
| Supported Codecs | SBC, AAC, aptX |
| Power Supply | Micro-USB 5V |
| Battery | No built-in battery (requires power connection) |
| Compatibility | Smartphones, Tablets, PCs, TVs, Car Stereos, Home Audio Systems |
| Special Features | Turns wired speakers into Bluetooth speakers, Plug-and-Play pairing, Dual audio output (3.5 mm & RCA), Low-latency aptX audio support |
| Product Size (Dimension) | 66.6 × 66.6 × 24 mm |
| Package Content | Bluetooth Audio Receiver, Micro-USB Power Cable, 3.5 mm Audio Cable, User Manual |
| Warranty | 1 Year ( As per Manufacturer Policy ) |
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