Control Button: Yes
Active Noise-Cancellation: Yes
Communication: Wireless
Volume Control: Yes
Wireless Type: Bluetooth
Is wireless: Yes
Line Length: Nonem
Support APP: No
Function: Common Headphone
Function: For Mobile Phone
Function: HiFi Headphone
Function: Sport
Support Memory Card: No
Waterproof: Yes
With Microphone: Yes
Name: B9 TWS Bluetooth Earphones
Charger Battery: 300mAh
Earphones Battery: 40mAh*2
Charger Time: 1h