Features:1. Condition: 100% Brand New With High Quality2. Dual-mic noise cancellation3. Use: Mobile Phone4. Type: Only Call5. Universal for all Bluetooth devices and mobile phonesSpecification:1. Support profile: Headset profile， Hands-Free profile， Advanced Audio Distribution profile2. Support A2DP Codec: SBC3. Standby time: Up to 260h4. Talk time: Up to 8h5. Play time: Up to 7h6. Charging time: Approximately 2h7. Bluetooth Version: 3.08. Connectors: Bluetooth 3.09. Transmission Range: 10m10. Color: Black (as picture show)11. Using DSP technology12. Bluetooth protocol 3.0 + EDR13. Multipoint connection14. Lithium BatteryUsage for Bluetooth headset:1. Charge the headset: Headset is charged via USB cable， the light will be red when charging. When the battery is fully charged (about 2-3 hours)， the red light of the headset will turn off automatically or the red light turns blue.2. Turn on the headset: Press the on / talk button on the headset for about 5 seconds until the blue and red flashes alternately ， now the headset is ready to be connected to the Bluetooth device.3. Connect: Turn on the Bluetooth function on your Bluetooth device (mobile phone...) and search the matching device， after matching successfully， You can listen to music and answer calls.4. Call: when you finish all the above steps， you are going to talk via the Bluetooth headset. When there is incoming call， press the on / talk button， you can talk with Bluetooth headset，When you want to end the call， press the on / talk button， you can end the call.5. Turn off the headset: Press the on / talk button for 5 seconds until the red light of the headset flashes quickly for twice， then release the button， the headset will be turned off.Package Includes:1 x Bluetooth Earpiece1 x USB Cable(Without Charger)1 x Ear Hook1 x Ear Cap