Features:  2.4G/BT dual-mode connection, up to 10m transmission distance, stable and fast.  Equipped with large-size touchpad, support multiple gestures, you can enjoy smooth, accurate control.  7-color backlight effect, easy to switch.  Slim and lightweight design, easy to carry and use.  Ergonomic design, the kepcap fits your finger, providing comfortable typing experience, not easy to fatigue.  Built-in 500mAh rechargeable lithium battery, long endurance time.    Specification:  Type: Wireless Dual-mode keyboard  Color: Black  Material: ABS  Connection method: BT/2.4G  Transmission distance: 10m(barrier-free)  BT version: V4.2  Key number: 78  Charging port: Type-C  Battery capacity: 500mAh  Touchpad size: 104*78mm  Supported system: Windows/iOS/Android /Mac OS  Item size: 32.62 * 11.48 * 1.21cm /12.84 * 4.52 * 0.48in  Item weight: Approx. 260g /9.17oz    Packing list:  1 * Keyboard  1 * Data cable