Function:For Mobile Phone,Portable
Frequency Response Range:20-20000Hz
Active Noise-Cancellation:No
Volume Control:No
Line Length:1.2m
Communication:Wired
Connectors:USB
Brand Name:RV77
Control Button:No
Style:Ear Hook
Vocalism Principle:Electrostatic
Wireless Type:Bluetooth
Plug Type:Line Type







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