Features:Bluetooth: V4.02 devices can be matchedHigh quality materials、 lightweight body allows you to wear more comfortableIt has built-in high-quality batteryCompatible with various brands of Bluetooth phones and Bluetooth notebooks、 tablet PCs、 MID、 etc. Specifications:Model: V8Color: BlackWearing type: In-ear with ear hookFeature: Wireless HeadphoneFunction: Answering phone、 Bluetooth、 MicrophoneConnectivity: WirelessConnecting interface: Micro USBApplication: Mobile Phone、 SportPower supply: Built-in rechargeable batteryBluetooth: YesBluetooth version: V4.0Bluetooth mode: Hands free、 HeadsetProduct weight: 21 gHow to use:1. Before you start using the headset、 please use the USB charge cable to charge it first.2. Pairing、 press the power button of the headset for 3 - 8 seconds until you see the blue-red light blinking alternately or hear a beep.3. Make sure you turned on the bluetooth on your phone、 search headset model on it. (The headset support the laptop which with built-in bluetooth adapter or inserted in a third party bluetooth adapter)4. Select the Bluetooth model and click connect. (Enter the password or code 0000 if needed.)5. When the connection is successful、 the headset will beep and appears in your Phone menu.Package Included: 1 x bluetooth headset1 x cable earphone1x usb charging cable1 x user manual