brand new and high quality Features: Micro USB receiver, plug and for play, without any driver, plug into the computer USB interface, without repeated plugging and unplugging, to prevent the loss of the receiver. Comfortable hand feel, strong rebound, provide you the fast and natural typing experience. The keyboard has low noise, does not disturb other people, and creates a better environment for your work. Portable and lightweight, the keyboard can be easily stored in a backpack. Easy to carry around. Widely used, strong compatibility, perfect for laptop, desktop computers and so on. Perfect gift for yourself or your friends. Specification: Product name: wireless numeric keypad Material: ABS Button life: 5 million times Number of keys: 35 Standby time: 60 days Battery capacity: 250mAh lithium battery Wake-up time: 2 seconds Effective distance: 10 meters Size: app.14.5x12x1.8cm/5.71x4.72x0.71in (length x width x height) Color: Black Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Numeric Keypad 1 x Receiver 1 x Charging Cable 1 x Manual(other accessories demo in the picture is not included.)