2.4G/BT5.0/USB-C: This laptop numpad features three connection modes: Wireless 2.4GHz, Bluetooth 5.0, and Wired USB-C. It allows for easy device connection and switching without delays or dropouts. Enjoy fast data transmission with a range of up to 33ft (10m) Adjustable 7-Color Backlight: Equipped with Multicolor light, the illuminated keys that you can work comfortably in dim condition. The shortcut keys (esc+ keys) allow for easy adjustment of color Rechargeable & Long-Lasting: With a high-capacity 1000mAh rechargeable battery, the number keypad can last up to 500 hours without backlight for one time charging. Power switch and auto sleep after 10 mins for maximum power efficiency, any key to wake up. The indicator light blinks to remind you of low battery Metal Panel & Silent Keys: Made with high-quality material, it is built to last and can withstand accidental drops and scratches. The scissor switch keys are smooth and quiet. With a slim and design, this number pad is perfect for on-the-go use Familiar 35-Key Layout & Functional Keys: The laptop number keyboard is equipped with several commonly used shortcut keys, including Esc, Ins, Delete, Tab, Home, End, PrtSc, PgUp, PgDn, Calculator, Search, BackSpace and four keys. The similar layout as the full-size keyboard, increases your productivity without taking time to get used to it Wide Compatibility: This numeric keypad works seamlessly with for OS, iOS, , and Android systems. The included USB A-C adapter allows it to connect to a wide range of devices with USB or Type C ports, including computers and laptops Color: B: Black Material: Aluminum Alloy Package Contents: 1 * Bluetooth Backlit Mini Digital Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.