Mini Wireless 4.1 Bluetooth Earphone Handsfree Call with Microphone Headphone Music Play nano Spy Micro Earpiece for smartphones

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Function: For Mobile Phone,Sport,Common Headphone
Support APP: No
Frequency Response Range: 20-20000Hz
Line Length: None
Active Noise-Cancellation: No
Communication: Wireless
Support Apt-x: No
Plug Type: USB
Support Memory Card: No
Volume Control: No
Waterproof: No
Vocalism Principle: Dynamic
Brand Name: Boas
Is wireless: Yes
Connectors: USB
With Microphone: Yes
Control Button: Yes
Sensitivity: 96dB
Resistance: 32Ω
Style: Ear Hook
Wireless Type: Bluetooth
Color: White, Green, Black
Version: V4.1
Effective distance: About 10m
Function: Bluetooth Handsfree Music