Chip: AB5376A
Bluetooth Version：V5.0
Earbud Battery: 30mAh*2(Fully charged in 1.5H)
Charging case battery: 300mAh
Play time: 3-4H (60% volume)
Talk time: 3H (in medium vol.)
Standby time:100H
Charging time: about 2H

Charging case dimension: 65*40*29.5mm
Earbud dimensions: 28*20*15mm*2
Net weight: 3.3g*2(Earbuds)/34g(Charging case)
Wireless working range: 10M (without obstacles )
Speaker: Φ8MM diaphragm
Speaker sensitivity: 95±3dB 1kHz/1mW
Profiles supported: HSP, HFP, A2DP, AVRCP
Impedance: 32Ω±15% 1kHz
Speaker frequency: 20Hz～20KHz
Input voltage / current: DC 5V/250mA