Brand Name: RV77
Style: Ear Hook
Communication: Wireless
Connectors: None
Wireless Type: Bluetooth
Vocalism Principle: Dynamic
Control Button: Yes
Volume Control: Yes
Active Noise-Cancellation: Yes
Function: For Mobile Phone,Sport
Plug Type: Wireless
Sensitivity: 97Β±3dB
Frequency Response Range: 20-20000Hz
Line Length: None
Resistance: 16Ξ©
Waterproof: Yes
Support Apt-x: No
Support Memory Card: No
Support APP: No
Is wireless: Yes
With Microphone: No
Model Number: Bluetooth earphone