Specifications for Lenovo ThinkPad Bluetooth Laser Mouse Product type Mouse General Application Desktop , Mobile Buttons 3 Rechargeable No Resolution 1200 dpi Design Colour Black Use Ambidextrous Connectivity Connectors No Connection type Wireless Wireless technology Bluetooth Special features Special features 4-way scrolling Physical properties Dimensions (W x H x D) 56 x 32 x 96 mm Weight 0.100 kg Manufacturer’s warranty 1-year bring-in (see manufacturer's website for details)