Xiaomi Bluetooth Headset Young MI Bluetooth 4.1 Headphones Earphone Build-in Mic Handfree Headphones for smart phonesWith Microphone: Yes Plug Type: Wireless Resistance: 32 Function: For Mobile Phone,Common Headphone Wireless Type: Bluetooth Support Apt x: No Sensitivity: 123dB Waterproof: No Brand Name: xiaomi Communication: Wireless Support Memory Card: No Volume Control: Yes Vocalism Principle: Other Connectors: 3. 5mm Frequency Response Range: 20 20000Hz Control Button: No Active Noise Cancellation: No Is wireless: Yes Model Number: Xiaomi Bluetooth Earphones