Bluetooth Version: V5.3
Frequency: 20Hz-20KHZ
EVM Earbud Battery: 30mAh each
Charging Case Battery:250mAh
Working time earbud: about 8 hours per charge
Charging time: about 2 hours
Standby time: about 100 hours
Bluetooth Range: 10 meters
Weight: Base & both headset – 40gms
Dimension : Base – (H) 49 x (W) 48 x (D) 26 in mm
: Headset – (H) 32 x (W) 18 x (D) 16 in mm