Brand Name:RV77
Style:Ear Hook
Communication:Wireless
Connectors:3.5mm
Wireless Type:Bluetooth
Vocalism Principle:Dynamic
Control Button:No
Volume Control:Yes
Active Noise-Cancellation:Yes
Function:Common Headphone,Sport
Plug Type:Wireless
Frequency Response Range:20-20000Hz
Line Length:None
Waterproof:Yes
