Features:Portable and light weight fashion design， very easy to store in your bagErgonomic earbud design， comfortable to wearSweatproof design， best choice when you do sportsIt can connect with two bluetooth devices at the same timeBuilt-in 85mAh battery， increasing your using timeAllow you answer the phone anytime and anywherBluetooth Version: V4.0+EDROperating Range: 10mBluetooth Profiles: HEP1.6， SHP1.2， AVRCP1.4， A2DP1.2Noise reduction: CVC6.0Cable Length: 60cmCharging Time: about 2 hoursTalking Time: 5 hoursMusic Time: 6 hoursStandby Time: 175 hoursTips:1. Power: Press the power button for 2-3 seconds， along with red and blue lights， boot into the back even state2. Power Pairing: Press the power button for 5-6 seconds， along with red and blue lights， after flashing red and blue alternately into pairing modePower: Press the power button for 2-3 seconds ， along with red and blue lights ，3. Short press of ��+�� to the next song4. Long press of ��+�� to turn up volume5. Short press of ��-�� to the previous song6. Long press of ��-�� to turn off volumePackage Contents:1 x Bluetooth Headset1 x USB Charger Cable1 x User manual6 x Soft ear cap2 x Soft ear hang