Dynamic Shape: Well-designed, contoured shape seamlessly fits and moves with your palm. Streamlined shape brings you dynamic experience, as well as the comfortable experience with Ergonomic design. 2.4G Wireless Technology. Adopt the 2.4G frequency technology. 2.4G will give you a more comfortable, convenient and exact effect than the traditional FM radio wireless mouse. Energy Saving Mouse: Auto Power Off (APO)- the mouse will be switched off automatically when the USB Nano receiver is disconnected with your pc, or the PC is switched off. 12-month battery life on 1 AA battery practically eliminates the need to replace batteries. Battery life may vary based on user and computing conditions. High Performance: Enhances the performance thanks to precise and fluid mouse pointer control / 32000 dpi sensor / Sampling rates: 1000 / 1500 / 2000 dpi. Not only suitable for daily usage, but also designed for the Game player. Be Aware: Please buy from Splaks Direct, SPLAKS Products from Other sellers are Fake.Weight: 50g (without battery) | Dimensions: 37 x 64x 97mm | Colour: black | USB 2.0 (downward compatible) |Plug & Play connection - installation without drivers | Operating system compatibility: Microsoft Windows XP / Windows 7 / Windows 8 / Windows 8.1