Audio Receiver Bluetooth 5.1 APTX with Mic UGREEN CM279 70304

Function: music play and hands-free call Bluetooth Version: 5.1 Bluetooth Protocol: AVRCP/A2DP/HFP/HSP Support HIFI/SBC/AAC/apt-X/apt-X LL AUX interface with MIC+Button(for control volume and play) 3.5mm metal plug is detachable Frequency range: 2.402GHz-2.480GHz *Frequency Response: 20Hz-20kHz Output Power: 28mW, RL=16Ω SNR(Signal to Noise Ratio): >90dB *Sensitivity: -38dB Transmission distance: up to 10m *THD (total harmonic distortion): <0.1% Battery capacity: 3.7V/200mAh *Operating Time: up to 10hours Micro USB for power supply(5V) *Porducts Size: L57xW28xH13(mm)