Audio Receiver Bluetooth 5.0 UGREEN CM309 70601

Transform your home or car audio system to Bluetooth wireless, the world’s tiniest music receiver, and stream crisp, high- quality music from your smartphone or tablet.
Hands-free calling with the built-in microphone makes catching up with friends a breeze.
Built-in Mic
Battery-Free
Latest Bluetooth 5.0 

Function: music play and hands-free call
Connect 2 Devices at One Time
Bluetooth Version: 5.0
Connect the USB and AUX together when use
With MIC
Bluetooth Protocol: A2DP/HFP
Support SBC/AAC
Frequency range:2.402GHz-2.480GHz *Frequency Response: 20Hz-20kHz
Output Power: 33mW, RL=16Ω
SNR(Signal to Noise Ratio):>90dB
Sensitivity: -42?3dB
Transmission distance: up to 10m
THD+N ( total harmonic distortion ):<0.05% Bluetooth Delay: <200mS USB interface working current:130mA/5V Indicator Lights:LED Red and Blue