USAMS YH21 YH Series Wireless Bluetooth 5.3 Headset(Beige)

Product features:
1. Breathable protein leather earcaps for more comfortable wearing
2. Immersive stereo effect, high-definition microphone call
3. Upgrade Bluetooth 5.3 solution, stable and not disconnected
4. 70 hours of ultra long music enjoyment

Product specifications:
Chip scheme: 5.3V
Transmission distance: <=10m
Speaker diameter: 40mm
Speaker sensitivity: 108dB ± 3dB/1KHz 0.179V
Impedance: 32 ohms
Frequency range: 20-20KHz
Battery capacity: 500mAh
Charging voltage: 5V 0.5A
Charging time: about 3 hours
Calling time: about 60 hours
Size: 167x186x80mm
Weight: 223g