CANYON MW-18, 2.4GHz Wireless Rechargeable Mouse with Pixart sensor, 4keys, Silent switch for right/left keys,Add NTC DPI: 800/1200/1600, Max. usage 50 hours for one time full charged, 300mAh Li-poly battery, Dark grey, cable length 0.6m, 116.4*63.3*32.3mm, 0.075