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