Features: 1.BLUETOOTH 5.1 WIRELESS CONNECTION: No need for complicated wired connections, Bluetooth 5.1 technology provides a stable and neat wireless connection. 2.MULTIFUNCTIONAL: Numeric keypad 19 keys features 19 shortcut keys for quick access to frequently used functions, making work more efficient. 3.ERGONOMIC DESIGN: The Numpad keyboard is ergonomically designed to provide you with the most comfortable tilt angle, helping to reduce wrist pressure. 4.PRECISE CONTROL: The Numpad keyboard is made of ABS material, which is comfortable to the touch and provides precise control, greatly reducing the stress of use. 5.PORTABLE AND SLIM: Wireless number pads are lightweight and easy to carry on the go for accounting data entry wherever you go. specification:Item Type: Bluetooth Numeric Keypad Material: ABS Keys: 19 Keys Bluetooth: Bluetooth 5.1 Bluetooth Wireless Name: BT Keyboard Key Life: More Than 10 Million Times Battery: CR2032 Button Battery One (Not Included) PackageList: 1 xBluetoothNumericKeypad (Battery Not Included) 1 x User Manual