Wireless headphones Joyroom TWS JR-BB1 black

Series name: Jbuds Series
Product name: Jbuds Series BB1 True Wireless Earbuds
Model: JR-BB1
Type: in-ear
Color: black, white
BT version: V5.3
Chip: Jieli AD6973D
BT audio decoding: AAC, SBC
Supported protocols: HSP, HFP, A2DP, AVRCP
Working frequency: 2402-2480MHz
Earbud battery capacity: 35mAh
Case battery capacity: 450mAh
Speaker impedance: 32Ω
Rated power: 2*3mW
Speaker: Φ10mm (HiFi composite diaphragm)
Music time: about 7h (70% volume)
Calling time: about 5h (70% volume)
Total listening time: about 35h (70% volume)
Earbud standby time (connected): about 48h
Earbud charging input: 5V⎓30mA
Case charging input: 5V⎓300mA
Charging input port: Type-C
Cycle counts: about 4 times
Earbud charging time: about 1.5h
Case charging time: about 1.5h
Water resistance: IPX4
Material: ABS+PC
Earbud weight: 3.5g
Net weight: 38g