HP 240 Bluetooth Mouse, Black, 5.1, Wireless, Precise Sensor, 1600 DPI Optical Mouse Lightweight & Easy to Connect, AES technology, Practical and Comfortable Ambidextrous Design

Good to know- Bluetooth lets you connect to your computer without the need for a cable- The precise optical sensor picks up every flick of your wrist- The battery lasts up to 15 months, so you don't need to worry about changing it too often