GK408 Three-fold Rechargeable Wireless Bluetooth Keyboard with Touchpad, Support Android IOS Windows Features: 1. Support Android IOS Windows system, with system switching shortcut keys, which can be easily switched 2. Compatible with Bluetooth-enabled devices 3. Touchpad function, easy to operate 4. Chocolate button, fast response and comfortable touch 5. Rich shortcut keys make your operation easier and faster 6. Built-in lithium battery, long-lasting battery life. At the same time, the keyboard has an automatic sleep function to avoid waste of power when not in use 7. USB charging interface, can be used while charging, supports multiple charging methods 8. Foldable design, easy to carry note: IOS system phones and tablets do not support the touchpad function Product specifications: 1. Bluetooth type: Bluetooth 3.0 2. Bluetooth solution: Broadcom 3. Effective operating distance: less than or equal to 10m 4. Battery capacity: 140mAh 5. Continuous working hours: more than 40 hours 6. Standby time: 60 days 7. Charging time: 2 hours 8. Number of keys: 64 keys 9. Working voltage: 3.3-4.2V 10. Charging voltage: DC 5V 500mA 11. Button life: 5 million times 12. Expanded size: 315x92x6mm 13. Folded size: 156x92x12mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.