Universal Silent Ultra-thin 2.4G Wireless Keyboard and Mouse Set for Laptop PC Computer brand new, high quality Features: brand new and high-quality made.Slim wireless keyboard and mini optical mouse set with USB receiver.It is an ideal input device for your PC, laptop and notebook.It adopts 2.4GHz wireless transfer technology for strong and secured wireless signal.It features new slim keys allowing a smoother, quieter and faster experience when typing.New improved 2.4GHz wireless for much greater range and less chance of interference from other nearby wireless devices. Specifications:Keyboard Connection: WirelessOptical Resolution: 1000 DPIMouse Connection: WirelessType: Slim, WirelessMouse Battery: 2 x AAA batteries (Not Included)Interface: USBKeys Quantity: 104Keyboard Battery: 2 x AAA battery (Not Included)Keyboard Size: approx./ 382x115x22mm / 15.04x4.53x0.87inMouse Size: approx./57x113x22mm/2.24x4.45x0.87inColor: Black / WhiteMaterial: ABS PlasticQuantity: 1 Set Note:Transition: 1cm = 10mm = 0.39inch.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 Keyboard1 x Mouse1 x connector(other accessories demo in the picture is not included.)