Features: 1.Ultra-thin keyboard, all keys adopt crater structure, which makes it responsive, fast input and data input, no input problems. 2.The connection is stable, the installation is convenient, the latest wireless solution chipset is adopted, and the anti?interference ability is strong. 3.Wireless, ergonomic keyboard layout, suitable for long hours of work and gaming, comfortable, not easy to fatigue. 4.Convenient and quick operation, instant access to your music, internet, email, volume, etc. via multimedia hotkeys. 5.Wide range of applications, used in desktops, laptops and other devices, can also be used as gifts for game lovers. specification:Item Type: Keyboard Mouse Combo Material: ABS Model: KB6600 Color: Black and Gray Connection: Wireless 2.4G Wireless Distance: Approx. 10m / 11.0yd Number of Fake Disk Keys: 104 Keys Keyboard Battery Type: 1 x AA Battery (Not Included) Mouse Battery Type: 2 x AAA Battery (Not Included) Applicable Equipment: For PC Notebook Computer General PackageList: 1 x Mouse 1 x Keyboard 1 x Receiver NoteShip without battery.