Vocalism Principle: Dynamic
Control Button: Yes
Active Noise-Cancellation: Yes
Communication: Wireless
Volume Control: Yes
Sensitivity: 105±3dBdB
Is wireless: Yes
Line Length: Nonem
Support APP: No
Connectors: USB
Support Memory Card: Yes
Resistance: 32ΩΩ
Waterproof: No
With Microphone: Yes
Color: Black Red White
Bluetooth version: V4.2
Working range: About 10M/35 feet
Battery Capacity: 400 mAH
Support system: All Bluetooth devices,PC,MP3
Codecs: SBC
