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 using RF USB dongle or Bluetooth, the numeric keypad offers both connectivity options. Ideal for spreadsheet workers, accountants, and financial personnel. Luxurious Look & Slim Aluminum Design - Ultra-thin, lightweight design with a sleek and attractive appearance, and durable premium aluminum construction. The 15-degree ergonomic tilt and advanced silent scissor-switch keys provide a comfortable and quiet typing experience, helping maintain focus and work efficiency. Easy to Use on Multiple Devices - Pair up to 3 devices simultaneously. Simply press FN+2.4G/BT1/BT2 to quickly and seamlessly switch between 3 devices. Supports NumLock, ESC, Tab, Delete, $, %, and shortcut keys to directly open the computer calculator. This multi-device Bluetooth numeric keypad is perfect for users working with multiple devices. High-Capacity Rechargeable Battery - Built-in 300mAh long-lasting rechargeable battery. The Bluetooth wireless numeric keypad can operate continuously for up to 120 hours on a single charge. Features a low battery indicator and auto sleep power-saving function to reduce energy consumption. Press any key to wake up the Bluetooth keypad within 3 seconds. Includes charging cable. Universal Compatibility - Bluetooth and 2.4G USB wireless connections make this wireless keypad compatible with all Bluetooth-enabled devices or devices with USB ports. Widely compatible with operating systems including iOS, Windows, Linux, and Android. Works with Windows 10/8/7 computers, desktops, PCs, laptops, smartphones, and tablets such as iPad, Air, Pro, Mini, Galaxy, Surface, and more. Material: ABS + Aluminum Color: Black Package Contents: 1 x Bluetooth Number Pad 1 x USB Cable 1 x Receiver Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.