Plug-and-Play Convenience: This wireless numeric pad requires no drivers, just a single battery and a USB port.Ergonomic Design for Comfort: The numeric keypad features soft-touch keys that provide a comfortable typing angle, reducing wrist pressure. With minimal noise, it's perfect for quiet environments and extensive numerical input.Precision and Stability: Each key is clearly marked and raised for precise input. A stable rubber base ensures the keypad stays firmly in place during use, enhancing your efficiency and preventing slippage.Broad Compatibility: Compatible with a wide range of operating systems,this USB wireless numeric keypad seamlessly integrates with both laptops and desktops.Portable and Lightweight: This sleek numeric keypad is your perfect travel companion for business trips or daily use, ensuring productivity on the go.Hign-concerned Chemical:noneSwitches Hot swap:noBacklight Type:No backlightInterface Type:USBType:2.4Ghz WirelessThe product appearance and printed words may vary depending on the batch, but this does not affect use.Colour:Blue Mixed Color/Pink Mixed Color/Milk Tea Mixed ColorMaterial:ABS Package Contents:1 * keyboard1 * receiver1 * battery1 * Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.