JR-BC1 Bluetooth 5.3 TWS True Wireless In-Ear ANC Earbuds Black

OverviewJoyroom JR-BC1 True Wireless ANC Earbuds
4-Mic Guaranteed call quality
Active Noise Cancellation Technology

Details：
Type: in-ear
BT version: V5.3
Cancellation: about 35db±2db (about 22-23db)
BT audio decoding: AAC, SBC
Supported protocols: HSP, HFP, A2DP, AVRCP
Working frequency: 2402-2480KHz
Earbud battery capacity: 35mAh
Case battery capacity: 380mAh
Speaker impedance: 32Ω
Rated power: 2*2mW
Speaker: Φ13mm
Music time: 6h-ANC Off; 5h-ANC On
Calling time: about 4h (60% volume)
Earbud standby time (connected): about 48h
Earbud charging input: 5V⎓ 30mA
Case charging input: 5V⎓ 1A
Charging input port: Type-C
Cycle counts: about 3 times
Earbud charging time: about 1.5h
Case charging time: about 1.5h
Water resistance: IPX4
Material: ABS+PC

common problem:
Compatibility: Support Apple mobile phones, Android mobile phones, and other devices that can be connected by Bluetooth, And ANC noise reduction can be used normally.