Description: * The keyboard is compatible with IOS, Androld, Windows, and common computer systems, and is suitable for all types of mobile and tablet devices. * Linked device via BT * The Keyboard is foldable, easy to carry. * Long using time, change 2-3 hours, standby 560 hours. * 19mm key distance with full zise keyboard, more comfortable better sense of typing Independent key avoid pressing the multiple keys at the same time. Specifications: Material: Aluminium Alloy Color: White / Black BT Version: 5.0 Battery: 180mAh Transmission Distance: 10m Standby Time: 560 hours Charging Time: 2-3 hours Item Weight: 180g / 6.34oz Package Size: 15 * 9 * 3cm / 5.90 * 3.54 * 1.18 Package Weight: 322g / 11.35oz Package List: 1 * Keyboard 1 * Shell 1 * User manual