Features: Keyboard Built-in BT3.0 chip, up to 10m stable connection, no latency, wide compatibility. Multifunctional shortcut keys design, easy to realize different operations. Scissor foot button structure, simple chocolate keycaps, good rebound effect, comfortable typing. Support Windows/Android/iOS/Mac OS, 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. Mouse BT5.0 wireless connection, up to 10m transmission distance, stable connection. 3 adjustable DPI(800-1200-1600DPI), easy to switch, accurate positioning, to meet your daily office and entertainment needs. Ergonomic design, the mouse fits your palm, comfortable to use, not easy to fatigue. Slim and lightweight, easy to carry and use. Mute button design, low noise, no need to worry about disturbing others. Specification: Type: BT keyboard mouse combo Color: Black/Pink/Yellow/Green/White(optional) [Keyboard] BT version: V3.0 Key number: 78 Battery capacity: 150mAh Working voltage: 3.7V Working current: ≤4mA Keyboard size: 24.5 * 15 * 0.6cm /9.65 * 5.91 * 0.24in Keyboard weight: Approx. 176g /6.21oz [Mouse] BT version: V5.0 Key number: 4 DPI level: 800-1200-1600DPI Battery: 1*AA battery(not included) Mouse size: 11 * 5.8 * 2.5cm /4.33 * 2.28 * 0.98in Mouse weight: Approx. 47.6g /1.68oz Packing list: 1 * Keyboard 1 * Mouse 1 * Data cable 1 * User manual