Feature: 1. Built-in BT3.0 chip, up to 10m stable connection, no latency. 2. Mixed light effect, cool and elegant, easy to switch, you can see keyboard characters clearly even at night. 3. Multifunctional shortcut keys design, easy to operate. 4. Scissor foot button structure, simple chocolate keycaps, good rebound effect, comfortable typing. 5. Support Windows/Android/iOS, compatible with mobile phone, tablet, PC and laptop with BT function. Specification: Features: Built-in BT3.0 chip, up to 10m stable connection, no latency. Mixed light effect, cool and elegant, easy to switch, you can see keyboard characters clearly even at night. Multifunctional shortcut keys design, easy to operate. Scissor foot button structure, simple chocolate keycaps, good rebound effect, comfortable typing. Support Windows/Android/iOS, compatible with mobile phone, tablet, PC and laptop with BT function. Built-in rechargeable lithium battery, low power consumption and energy-saving, long endurance time. Specification: Type: Wireless BT keyboard Color: Black/White(optional) Light effect: 7-color monochrome backlight/Mixed light(optional) BT version: V3.0 Transmission distance: 10m(barrier-free) Key number: 78 Battery capacity: 280mAh Item size: 20 * 12.5cm /7.87 * 4.92in Packing list: 1 * Keyboard 1 * Data cable 1 * User manual Package List: 1 * Keyboard 1 * Data cable 1 * User manual