Brand Name:RV77
Style:Ear Hook
Communication:Wired
Connectors:None
Wireless Type:None
Vocalism Principle:Other
Control Button:No
Volume Control:No
Active Noise-Cancellation:No
Function:Microphone,Sport
Plug Type:Line Type
Waterproof:No
Support Apt-x:No
Support Memory Card:No
Support APP:No
Is wireless:No
With Microphone:Yes
Model Number:Earphone







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