Bluetooth Version?V5.0
Earbud Battery : 30mAh*2 (Fully charged in 1.5H)
Charging case battery : 300mAh
Play time : 2.5H (60%vol.)
Talk time : 2H (in medium vol.)
Charging time : Approx. 2H)Charging case Dimension : 23*45*63mm
Earbud dimensions : 18*17*40mm*2
Net weight : 3.7g*2(Earbuds)/38.3g(Charging case)
Wireless working range : 10M (without obstacles)
Speaker : Φ10mm*2
Speaker sensitivity : 105±3dB
Impedance : 16?±10%
Speaker frequency : 20Hz~20KHz
Input voltage / current : DC 5V/0.3A)”

Bluetooth Version?V5.0
Earbud Battery : 30mAh*2 (Fully charged in 1.5H)
Charging case battery : 300mAh
Play time : 2.5H (60%vol.)
Talk time : 2H (in medium vol.)
Charging time : Approx. 2H)Charging case Dimension : 23*45*63mm
Earbud dimensions : 18*17*40mm*2
Net weight : 3.7g*2(Earbuds)/38.3g(Charging case)
Wireless working range : 10M (without obstacles)
Speaker : Φ10mm*2
Speaker sensitivity : 105±3dB
Impedance : 16?±10%
Speaker frequency : 20Hz~20KHz
Input voltage / current : DC 5V/0.3A)”