B1 Bluetooth Headset, Mini Wireless Auriculares Bluetooth V4.0 Earphone W/ HD Mic Handsfree For IPHONE XiaoMi Phone White

Product Description Model Number: B1 Function: For Mobile Phone,Common Headphone Wireless Type: Bluetooth With Microphone: No Is wireless: Yes Support APP: No Support Memory Card: No Support Apt-x: Yes Waterproof: No Resistance: 32¦¸ Line Length: None Frequency Response Range: 20-21000Hz Sensitivity: 123dB Plug Type: Wireless Active Noise-Cancellation: Yes Volume Control: No Control Button: Yes Vocalism Principle: Dynamic Connectors: None Communication: Wireless Style: In-Ear 1, B1 smart headset Bluetooth is a CSR4.0 popular wireless Bluetooth headset. Built-in HD microphone and music stereo for 99% Bluetooth devices anywhere in the world. 2. You can get an amazing communication device that works on your smartphone just like a mobile phone. It is a very neutral earphone product with excellent wearing comfort and sound to ensure people listen to the demand for popular music. 3. Whether it is a comfortable Bluetooth headset