Features: 2.4G/BT dual-mode connection, up to 10m transmission distance, stable and fast. 22 independent keys, compact key layout, convenient to use. Small size, slim and lightweight design, easy to carry and use. The touchpad serves as a mouse, you can enjoy smooth, accurate control. Built-in 500mAh rechargeable lithium battery, low power consumption, long endurance time. Suitable for laptop user, cashier desk, bank, financial accounting, stock exchange, etc. Specification: Type: Wireless numeric keyboard Color: Black Material: ABS Connection method: BT+2.4G Transmission distance: 10m(barrier-free) BT version: V4.2 Key number: 22 Charging port: Type-C Battery capacity: 500mAh Touchpad size: 110*78mm Supported system: iOS, MacOS, Android, Windows Item size: 16.7 * 11.8 * 1.3cm /6.57 * 4.65 * 0.51in Item weight: Approx. 170g /6oz Packing list: 1 * Keyboard 1 * Charging cable 1 * User manual