9300M is not just about looks - it features Rapoo’s multi-mode wireless connection – via reliable 2.4 GHz wireless transmission, Bluetooth 3.0 or Bluetooth 4.0 (Smart) – enabling you to connect simultaneously to multiple devices and change (pair automatically) among them. Interference-free wireless options: The smart switch between Bluetooth 3.0, 4.0 and 2.4 GHz ensures stable wireless transmission with up to 10 meters range and 360 coverage. You can still use your keyboard regardless of USB port shortage or the loss of receiver. The keyboard boasts an impressive 4.9 mm ultra-slim design and anodized aluminum housing. The mouse boasts an elegant ergonomic design as well as a 1300 DPI invisible tracking engine. Keyboard:Black. Ergonomic design. Plug and play. Cordless. USB connectivity. Programmable hot keys. Mouse:Optical sensor. Nano receiver. 4 buttons. 10m range. Scroll wheel. Approximately 12 months battery life. General information:Batteries required 3 x (included) . Manufacturer’s 2 year guarantee. EAN: 6940056184726.