Customized LOGO Price: USD11.69-USD12.52

Bluetooth: B T. V5.4

ANC frequency range: 20-600Hz

ANC noise reduction value: -20+3db

Battery specification: 3.7V/500mAh

Charging voltage: 5V/1A

Effective range: 10 meters

Charging time: approximately 2.5 hours

Working frequency: 2.402-2.480GHz

Bluetooth+noise cancelling battery life: approximately 40 hours

Bluetooth battery life: approximately 50 hours

Noise reduction and battery life: approximately 50 hours

Charging interface: Type-c

Colors: Black, Silver, Pink, Blue, Rose, Apricot, Brown