1、BLUETOOTH 4.2 2.4G WIRELESS DUAL MODE: The bluetooth wireless numeric keypad with touchpad utilizes both BT and 2.4G connectivity to ensure fast connectivity. 2、WIDE COMPATIBILITY FOR SYSTEM: This bluetooth wireless number pad with touchpad is available for Windows, for IOS, for Android, and for OS X. 3、TOUCHPAD DESIGN: This bluetooth wireless numeric keypad is also equipped with a touchpad, which is sensitive to touch and can provide you with more control experience. 4、PORTABLE AND COMPACT SIZE: This bluetooth wireless numeric keypad with touchpad is small in size and light in weight, very convenient and portable. 5、LONG BATTERY LIFE: This wireless numeric keypad is powered by a built in 500mAh battery for long life and offers a transmission range of up to 10.9 yards.