Feature:1. Increased Efficiency: Designed for data input professionals, this numeric keypad adds 17 extra keys to a standard digital keyboard, including commonly used number processing keys. This minimizes hand movement between the computer's main keyboard and the numeric keypad.2. Seamless Connectivity: This wired numeric keypad can easily connect to laptops and computers, aiding in numerical tasks. The mechanical design ensures ease of use for enhanced productivity.3. Intelligent Functionality: With a powerful system recognition chip, this slim keyboard can automatically adjust key functions to match the operating system of the connected computer.4. High Speed Data Transfer: Featuring a maximum transfer rate of approximately 400MB/s (for solid state drives), the speed is dependent on the storage device itself. It includes 2 USB 3.0 ports and 1 Type C interface for versatile connectivity.5. Stylish and Portable: With an ultra thin and minimalist design, this wired numpad is stylish and easy to carry. The clear and long lasting key labels, along with USB plug and play capability, make it convenient for on the go use. Additionally, it can also function as a cool mechanical numeric keyboard.Specification:Item Type: Wired Numeric KeypadMaterial: ABSSupported Systems: for Win, for Android, for OS XNumber of Keys: 34 keysElectronic Programmes: Wired: for SH61F83 QFN48; HUB: for GL3510, QFN64HUB Transmission Rate: Maximum Approx. 400MB/second (SSD), transmission rate depends on the storage device itselfUSB Version: 3.1HUB Extension Ports: 2 USB 3.0, 1 Type CKeyboard Lifespan (Keystrokes): 5 million timesResponse Speed: 30 milliseconds.Package List:1 x Wired Numeric Keypad1 x User Manual