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The Ugreen 90748 is a compact and powerful Bluetooth 5.3 audio receiver designed to upgrade any AUX-equipped system—perfect for car stereos, home speakers, or wired headphones. With its plug-and-play 3.5 mm output and built-in microphone, you can easily stream music wirelessly or take hands-free calls while driving.
Thanks to Bluetooth 5.3, the 90748 delivers a stable, low-latency connection, and supports SBC and AAC codecs for crisp and clean audio. It also supports simultaneous pairing of two devices, so you can switch between your phone and tablet or between callers seamlessly.
The integrated 300 mAh Li-polymer battery gives up to **15 hours** of continuous playback on a single charge, and recharges via USB-C in about 2 hours. With an effective wireless range of up to 15 m (without obstacles), you’re free to move around without losing signal.
Designed with convenience in mind, the Ugreen 90748 features a physical volume / call-control button on its body, making it easy to control your music or answer calls without fumbling for your phone. Its small size and durable build make it ideal for both in-car use and portable setups.
| Model / SKU | 90748 (CM596) |
| Bluetooth Version | 5.3 |
| Bluetooth Profiles | AVRCP, A2DP, HFP, HSP |
| Audio Output | 3.5 mm analog AUX |
| Codec Support | SBC, AAC |
| Frequency Response | 20 Hz – 20 kHz |
| SNR (Signal-to-Noise Ratio) | ≥ 90 dB |
| Maximum RF Output Power | 6 dBm |
| Operating Frequency | 2,400 – 2,483.5 MHz |
| Battery Type | Lithium-polymer, 300 mAh (3.7 V) |
| Battery Life | Up to 15 hours (continuous use) |
| Charging Voltage | 5 V via USB-C |
| Wireless Range | Up to 15 m (no obstruction) |
| Warranty Terms: | 1-year warranty provided by UGREEN MAURITIUS – 101 Multimedia. |
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