Description:Features:True wireless bluetooth headset, 360掳 surrounding sound.Mini and delicate design, easy to carry.This mini Bluetooth headset is designed with an emphasis on ergonomics, your comfort is a priority. Built-in Bluetooth 4.2 technology, it has more stable signal transmission. The headphones are compatible with most Bluetooth enabled devices, such as your smartphone, tablet, or computer.Descriptions:Enjoy real wireless stereo headphones without intertwined wire,you can also listen to music while driving running or being in the gym with casual self-confid.500mAh portable charging box provides 1 hour quick charge and can play ablout 2-3 hours.Single and double headphones can be used arbitrarily, can also be used at the same time.Specification:Model: i7sColor: black, whiteMaterial: plasticItem size: approx.60*5*5mmBluetooth: 4.2Battery: Built-in 3.7V / 500mAh Rechargable BatteryPlaying Time: 2 HoursWorking Time: 10 HoursPackage Included:1 x Pair Bluetooth Stereo Headset1 x Charging Box1 x USB Cable1 x ManualNotes: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!