JR-CB1 Wireless Receiver -Dark Gray

Name: Wireless Receiver Model: JR-CB1 BT version: 5.3 Supported protocols: HSP/HFP/A2DP/AVRCP Audio decoding: AAC/SBC Transmission distance: >12m Frequency response range: 20Hz-20kHz Microphone sensitivity: -38±2dB Working voltage: 3.0～4.2V SNR: >58dB Power: 50mW Battery capacity: 300mAh Music time: 22h (70% volume) Talk time: 16h (70% volume) Charging time: 2h Standby time (connected): 27h Charging input: 5V⎓1A Product size: 51.4*35*13.4 Net weight: 30g