Chip:JL 6973D4

Bluetooth Version：V5.1                                    

Earbud Battery: 40mAh*2(Fully charged 1-2H)

Charging case battery: 300mAh

Play time: 5H (60% volumn)

Talk time: 4H 

Charging time: about 2H

Battery display indicator

TYPE C port

Earbud dimensions:31.6*21.34*23.62mm*2

Net weight:3.8*2g(Earbuds)/36.5g(Charging case)

Wireless working range: 10M (without obstacles)

Speaker: Φ10mm*2                                       Speaker sensitivity: 108±3 dB  1kHz/1mW   Profiles supported:  HFP,HSP,A2DP, AVRCP AAC

Impedance: 32Ω±15% 1kHz

Speaker frequency: 20Hz~20KHz

Input voltage / current: DC 5V/1A