JR-PB1 True Wireless Bluetooth Earphones 4 Mic Semi In-Ear TWS Earbuds ENC Call Noise Reduction Bluetooth 5.3 Black

OverviewJOYROOM JR-PB1 True Wireless Semi-In-Ear Bluetooth Headphones
Semi-in-ear design ensures a comfortable and secure fit
Four microphones provide clear audio during calls.

Detailed：
Type: half in-ear
BT version: V5.3
Chip: Jieli AD6973D
BT audio decoding: AAC, SBC
Supported protocols: HSP, HFP, A2DP, AVRCP
Working frequency: 2402-2480KHz
Earphone battery capacity: 35mAh
Case battery capacity: 320mAh
Speaker impedance: 32Ω
Rated power: 2*5mW
Speaker: Φ13mm
Music time: about 8h (60% volume)
Calling time: about 4h (60% volume)
Earphone standby time (connected): about 48h
Earphone charging input: 5V⎓30mA
Case charging input: 5V⎓1A
Charging input port: Type-C
Cycle counts: about 3 times
Earphone charging time: about 1.5h
Case charging time: about 1.5h
Water resistance: IPX4
Material: ABS+PC"