USAMS Stereo Bluetooth Headphones Headset inear Bluetooth Wireless 4.1 For iPhone Samsung Xiaomi in-ear Earphone Mic Hand free

Brand Name: USAMS
Line Length: None
With Microphone: Yes
Plug Type: Wireless
Function: For Mobile Phone
Wireless Type: bluetooth
Support Apt-x: No
Connectors: None
Sensitivity: 42±3dB
Communication: Wireless
Support Memory Card: No
Volume Control: Yes
Frequency Response Range: 20-20000Hz
Active Noise-Cancellation: No
Is wireless: Yes
Waterproof: Yes
Model Number: Bluetooth 4.1
Vocalism Principle: Dynamic
Support APP: No
Style: Ear Hook
Control Button: Yes
Resistance: 24Ω