【Multi-function 28-key Keypad】With NumLock, ESC, Delete, TAB and a shortcut key which can open the computer calculator directly etc. | 【Long Using Time Keypad】The numpad with a large capacity lithium battery, can use 2 months after charging 1-2 hours.It will enter the sleep function after being idle for 5 minutes, press any key to wake up, and can be charged by micro USB cable (Provided). | 【Wireless Number Pad Rechargeable】The wireless numeric keyboard with rechargeable lithium battery, avoid continuous battery consumption and battery replacement. This numeric keypad uses the latest stable wireless connection,plug and play, no delay and caton, fast data transmission , and working range is up to 33FT. | 【Comfortable Numeric Pad】With advanced quiet SCISSOR-SWITCH KEYS provides a comfortable and smooth typing experience, quick response and good tactile rebound, keep the office quiet and improve work efficiency.15° tilt design fits the human body habits, great for spreadsheets worker，accounting staff and financial officer. | 【Widely Compatibility】All keys of PINKCAT wireless number pad is widely compatible for PC, laptop, desktop, computers, for Windows 2000 / XP / 7 / 8 / 10 systems. (Warm Tips: Macos only supports the number keysand some function keys) | 【Warm Tips】Based on the USB protocol, the rated charging voltage of the product is 5V, it is recommended to use the computer USB port to charge this numpad, it is not recommended to use the other chargers or other non-computer USB port to charge it.