2.4G/BT5.0/USB-C: The laptop numpad supports three connection modes including Wireless 2.4Ghz, Bluetooth 5.0 and Wired USB C. Easy to connect and switch devices. No delays and dropouts. Fast data transmission, range up to 33ft/10m. | Adjustable 7-Color Backlight: With 7 color options and 3 levels of brightness, the backlit keys make it possible for you to work comfortably in low-light conditions. The shortcut keys (esc+arrow keys) make it easy to adjust the color and brightness. | Rechargeable & Long-Lasting: Revamped with a 1000mAh rechargeable battery, the number keypad offers a prolonged runtime of up to 500 hours without backlighting on a single charge. It features a power switch, auto-sleep mode after 10 minutes, and a low-battery indicator light. | Metal Panel & Silent Keys: Crafted from premium aluminum, this numeric keypad is engineered to withstand wear and tear, including accidental drops and scratches. Featuring scissor switch keys, it ensures a seamless and noiseless typing encounter. Its sleek and lightweight build renders it perfect for portable usage. | Familiar 35-Key Layout & Functional Keys: The laptop numeric keyboard comes with numerous frequently utilized shortcut keys such as Esc, Ins, Delete, Tab, Home, End, PrtSc, PgUp, PgDn, Calculator, Search, Backspace, and four arrow keys. This layout closely resembles that of a full-sized keyboard, enabling enhanced productivity without requiring adjustment time. | Wide Compatibility: Compatible with Mac OS, iOS, Windows and Android system. With the USB A-C adapter, the numeric keypad supports most devices with USB or Type C port, such as Macbook, iMac, computer, laptop, etc.