NDEGJUESE USAMS Bluetooth 5.0 TWS ES Series BHUES02

NDEGJUESE USAMS Bluetooth 5.0 TWS ES Series BHUES02

BT version: 5.0.0
Speaker diameter: 8 mm
Sensitivity: 93 ± 3db
Frequency range: 20 Hz ~ 20 KHz
Impedance: 32? ± 15%
Connection distance:? 10m
Headphone weight: approximately 4.4 g * 2
Headphone Speaker : 40mAh
Playing time: about 3 hours
Calling time: about 3h
Headphone charging time: approx. 2 hours
Charging Case weight: about 42g
Charging Case Speaker : 400 mAh
Charging time of the Case: approx. 2 hours
Standby time: about 100 hours
Charging Case size: 61 * 48.7 * 32.5mm