JR-DB1 True Wireless Earbuds-with cover

Series name:
Product name: True Wireless Earbuds
Model: JR-DB1
Type: in-ear
Color: black, purple
BT version: V5.3
Chip: Jieli AD6973D4
BT audio decoding: AAC, SBC
Supported protocols: HSP, HFP, A2DP, AVRCP
Working frequency: 2402-2480KHz
Earbud battery capacity: 50mAh
Case battery capacity: 290mAh
Speaker impedance: 16Ω
Rated power: 2*2mW
Speaker: Φ6mm
Music time: 8h (60% volume)
Calling time: 6.5h (60% volume)
Earbud standby time (connected): about 48h
Earbud charging input: 5V⎓ 50mA
Case charging input: 5V⎓ 1A
Charging input port: Type-C
Cycle counts: about 2.5 times
Earbud charging time: about 1.5h
Case charging time: about 1.5h
Water resistance: IPX4
Material: ABS+PC