Bluetooth Version: 5.0

Microphone Type: Built-In

Battery Capacity: 320mAh

Charging Method: Lightening/Wireless

Input: 5V/1A

Cruising Ability: Circularly charging about 3 times(both earphone)

Frequency: 20Hz-20KHZ

Talk time: 3.5 hours

Music Play time: 270 minutes

Features: Built-in Microphone, Built-In On/Off Switch, Call functions, Echo Cancellation, HD Voice, Noise Cancellation, Noise Isolation, Rechargeable Battery, Touch Control, Wireless Charging