Function:For Mobile Phone,Wireless Headphone,Sport,Microphone,Supports music,Bluetooth
Communication:Wireless
Volume Control:Yes
Active Noise-Cancellation:Yes
Is wireless:Yes
Connectors:USB
Vocalism Principle:Hybrid technology
Brand Name:RV77
Line Length:0.7m
Control Button:Yes
With Microphone:Yes
Style:Ear Hook
Plug Type:Line Type
Wireless Type:Bluetooth
