At work you need a Cateck Bluetooth numeric keypad. Just take it with you and work more efficiently.34 Keys:The Bluetooth numeric keypad has 34 keys. More functions and key combinations. This allows you to enter the data more easily and precisely.Connect Bluetooth:Pair the number pad wirelessly with your laptop. The distance from the connected device is less than 10 meters.Charge and Battery:The Bluetooth numeric keypad is supplied with a USB cable. Built-in lithium battery for particularly long standby mode. Once fully charged using a micro USB cable, it can be kept in standby mode for up to 30 days.LED Light:The red LED lights up during charging and goes out when the battery is fully charged. The blue LED lights up during pairing and ends after successful pairing.Extensive Compatibility:Windows 2000 / Me / 98 / XP / Vista / 7/8/10 system Android systems OS system and iOS system (Important note: Calculator keys and function keys cannot work on these systems, all other number and symbol keys are fully supported.) Specifications:Material: aluminum Weight: 126g Dimension: 146 * 114 * 11mm Wireless transmission range: ? 10 metersNote:With us you have a 2 year guarantee on all devices. The exchange is possible within 2 years.