USAMS Earphones Bluetooth 5.0 TWS ES series black BHUES02

Wireless headset USAMS ES TWS Bluetooth. Convenience and great design in one. Thanks to the use of three-band tone alignment, the sound from the headphones is cleaner and free of noise. Small and lightweight, they will accompany you everywhere - at work, during workouts, or while driving. The headphones with a built-in microphone use Bluetooth standard 5.0 +EDR/BDR/BLE. The set also includes a dedicated case that acts as a power bank.
Material: ABS + PC
BT version: 5.0.0
Speaker diameter: 8 mm
Sensitivity: 93 ± 3db
Frequency range: 20 Hz ~ 20 KHz
Impedance: 32 ? ± 15%
Connection distance: ?10m
Weight of headphones: about 4.4 g * 2
Battery of headphones: 40 mAh
Playtime: about 3 hours
Call time: about 3h
Charging time of headphones: about 2 hours
Weight of charging case: about 42g
Battery of charging case: 400 mAh
Charging time of case: about 2 hours
Standby time: about 100 hours
Size of charging case: 61 * 48.7 * 32.5 mm