JR-CB2 2-in-1 Wireless Transmitter/Receiver-Dark Gray

Name: 2-in-1 Wireless Transmitter/Receiver
Model: JR-CB2
BT version: V5.3
Audio decoding: SBC
Supported protocols: HSP, HFP, A2DP, AVRCP
Supported modes: receiving, transmitting, BT, AUX, TF card
Transmission range: ≤12m
Frequency response range: 20Hz-20kHz
Mic sensitivity: -38±2dB
TX mode music time: about 6.5h (60% volume)
TX mode calling time: about 5.5h (60% volume)
RX mode music time: about 14h (60% volume)
RX mode calling time: about 12h (60% volume)
Standby time (connected): about 24h
Battery capacity: 300mAh
Charging time: about 2h
Charging port: Type-C
Charging input: 5V⎓1A
Product size: mm
Product material: ABS+PC