Chip: JL6973D
Bluetooth Version：V5.1
Earbud Battery: 55mAh*2(Fully charged in 1.5H)
Charging case battery: 300mAh
Play time: 6H (60% volume)
Talk time: 4H
Standby time: 280H
Charging time: About 2H
Battery display indicator
Type C port

Charging case dimension: 62.8*26.8*34 mm
Earbud dimensions: 22.4*17*24.5mm
Net weight: 4.15g*2
(Earbuds)/36.5g(Charging case)
Wireless working range: 10M (without obstacles)
Speaker: Φ6mm*2
Speaker sensitivity: 95±3dB 1kHz/1mW
Profiles supported: HFP,HSP， SPP, A2DP, AVRCP,PBAP,
Impedance: 16Ω±15% 1kHz
Mic sensitivity: -42 ±3dB
Speaker frequency: 20Hz～20KHz
Input voltage / current: DC 5V/1A