Features:● Ergonomics design, relieve fatigue, comfortable and good for health● High compatibility, suitable for XP / VISTA / WIN / MAC / DOS● 3 levels DPI: 800, 1200, 1600, ensure your move accurately● Beautiful and cool appearance, best gift for your friends or children● Receiver is hidden in the mouse bottom, easy to carry● Plug and play, easy to useSpecifications:● Life time of the button: 10 million times● Working distance: 10m● Power supply: 1 x AA battery for 12 months ( not included )● Work DPI: 800 - 1600DPI● Work mode: Optical● Interface: USB Application: Desktop,Laptop DPI: 1200,1600,800 Hand Orientation: Right Interface Type: USB Number of Buttons: 6 Type: 2.4GHz Wireless Wi-Fi Range: 10m Wireless Technology: 2.4GHz Wrist Support: No Package weight: 0.132 kg Package Size(L x W x H): 18.20 x 13.20 x 4.20 cm / 7.17 x 5.2 x 1.65 inches Package Contents: 1 x Wireless Mouse