JR-CB3 2-in-1 Wireless Transmitter/Receiver Black

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