Features: Notebook Button Feel The keyboard adopts simple chocolate square keycaps, uniform force, scissor foot structure, good rebound effect, comfortable operation feel. Rechargeable BTKeyboard Strong endurance, can work about 50 hours continuously. The built-in battery can be recharged repeatedly, no need to buy batteries. Wide Compatibility Suitable for a variety of devices: tablet/phone/PC; Suitable for a variety of operating systems: Windows/Mac/Android/IOS. Enriching Multimedia Functions Cooperate with Fn key, use multimedia combination function, office and entertainment are bothenjoyable. Small and Portable Simple design, thinner than laptop. Convenient and easy to takeoutside with no burden. Specification: Item type: BT keyboard The standard keyboard: 78 keys Charging port: standard Android MICRO interface Color: Green,purple,pink,yellow(Optional) BTpairing name:BT 3.0 keyboard Charging time: about 2 hours Battery capacity: 150mAh BTdistance: about 10 meters Continuous work: about 50 hours Battery life: about 3 years Standby time: about 30 days Item size:24.8*15*0.7cm / 9.76*5.91*0.28in(L * W * H) Item weight: Approx.186.6g /6.58oz Package size: 27.5*16.5*1.5cm/ 10.83* 6.5* 0.59in Package weight: 235g/ 8.29oz Packing list: 1 *BT Keyboard