Targus AMB0303US 3-Button Rechargeable Bluetooth Laser Scroll Mouse (Black/Gray) Targus AMB0303US Laser Bluetooth Mouse General Features: Gray and black color scheme Comfortable, ergonomic design Bluetooth technology USB interface High Performance Laser sensor Connects within a 33-foot range Adjustable cursor speed (switch between 1600/800 dpi) Sleep mode and on/off switch to extend battery life 3-buttons Scroll wheel (acts as 3rd button and dpi switch)