Dual Mode - Stable Bluetooth 5.0 and 2.4G USB connection. Connect this 3-in-1 wireless numeric keypad via Bluetooth or 2.4G USB receiver! Whether you prefer to connect via RF USB dongle or Bluetooth 2.4G, the Bluetooth Numeric Keypad offers both connectivity options. The best choice for spreadsheet workers, accountants and financial personnel. Luxurious, Stylish Look & Slim Aluminum Design - Ultra-thin, lightweight design, sleek and attractive look, and sturdy premium aluminum construction. The 15° ergonomic tilt and advanced silent scissor key provide a comfortable and smooth typing experience, keep the office quiet and improve work efficiency. Easy to use on multiple devices - pair up to 3 devices simultaneously. Just press FN+2.4G/BT1/BT2 to easily and seamlessly switch between 3 devices. Supports NumLock, ESC, Tab, Delete, $, %, shortcut keys to directly open the computer calculator, etc. This multi-device Bluetooth numeric keypad is perfect for those who work with multiple devices. Large Capacity Rechargeable Battery - Built-in 300mA long-lasting rechargeable battery. This Bluetooth wireless numeric keyboard can type continuously for up to 120 hours on a single charge. Add low battery indicator and auto sleep power saving function to reduce unnecessary energy use, press any key to wake up the bluetooth 10-key keypad within 3 seconds. Includes charging cable. Universal Compatibility - Bluetooth and 2.4G USB wireless connections make this wireless keyboard support almost all Bluetooth-enabled devices or devices with USB ports. Dual Mode Bluetooth Keyboard Widely Compatible with Mac OS, iOS, Windows, Linux and Android, Works with Windows 10/8/7 Computer, Desktop, PC, Laptop, iMac, MacBook Air, MacBook Pro, MacBook Mac Mini, Ipad , iPhone smartphones/tablets such as Samsung Galaxy, Surface, etc. Material: ABS+aluminum alloy colour: