Bluetooth audio receiver UGREEN CM276 5.0 — AUX 3.5 mm adapter, black, range 10 m, playback 9 h

UGREEN CM276 is a Bluetooth 5.0 audio receiver that converts a wired AUX 3.5 mm input into a wireless source. It provides up to 10 m wireless range, supports a single connected device at a time and covers a 20–20,000 Hz frequency response. The unit features a built-in microphone for hands-free calls, an ABS housing and a rechargeable battery that delivers up to 9 hours of continuous playback and approximately 300 hours of standby time. Charging takes about 2 hours.

Advantages

The receiver uses Bluetooth 5.0 for stable wireless transmission and low latency within its 10 m range. Its compact ABS design makes it portable and suitable for use in cars, home stereos or powered speakers. The built-in microphone enables call handling without additional accessories, and the rechargeable battery provides extended playback between charges.

Suitable for

• Adding wireless audio to car stereos with AUX 3.5 mm input
• Connecting smartphones or tablets to home stereo systems or active speakers
• Hands-free calling through a wired audio system

Key specifications

• Wireless technology: Bluetooth 5.0
• Maximum range: 10 m
• Simultaneously connected devices: 1
• Frequency response (music mode): 20–20,000 Hz
• Sensitivity: -38 dB
• Host interface: 3.5 mm AUX
• Microphone: built-in
• Material: ABS
• Continuous playback time: up to 9 h
• Standby time: up to 300 h
• Charging time: approx. 2 h

How to use

Charge the receiver before first use, then connect it to the AUX 3.5 mm input of the target device. Enable Bluetooth on your phone or other source device and pair it with the receiver. Once paired, play audio from the source; use the device’s controls to manage playback and calls. After use, turn the receiver off or leave it to enter standby to preserve battery life.

Usage recommendations

Do not connect the receiver to devices with higher power consumption than recommended. For stable connection, keep the paired source within the specified 10 m range and avoid obstacles that strongly block Bluetooth signals.