Feature 12.4G wireless connection, stable transmission distance of 10 meters/32.8ft. 2Convenient for use, drive free, plug and play, suitable for both laptop and desktop computers. 3Retro round chocolate keycap, matte texture, streamlined shape, will bring you an extraordinary taste regardless of appearance or use. 4Compact key layout, with backspace key, input, convenient and fast modification, a good companion for the notebook. 5Great for students, accountant, office, financial accounting and so on, widely application.Condition: 100% Brand NewItem Type: Wireless Numeric KeypadMaterial: Silica GelColor: As Pictures ShownBattery Type: 1 x AAA LR03 Battery (Included)Interface: USBConnect Method: WirelessWaterproof: YesWireless Distance: Approx. 10meters / 32.8ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xNumeric Keypad1 x Battery1 x USB Bluetooth Adapter1 x ManualNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.