Style: In-Ear
Communication: Wireless
Connectors: None
Wireless Type: Bluetooth
Vocalism Principle: Dynamic
Control Button: Yes
Volume Control: No
Active Noise-Cancellation: Yes
Function: Sport
Plug Type: Wireless
Sensitivity: 97±3dB
Frequency Response Range: 20-2000Hz
Line Length: None
Resistance: 16Ω
Waterproof: Yes
Model Number: earphone
Support Memory Card: No
Support APP: No
Is wireless: Yes
With Microphone: No
Brand Name: RV77