Wireless mouse with a transmission distance up to 15 metres. - 2.4GHz wireless mouse - Omni-directional transmission - High-resolution optical technology 1600 - Strong anti-interference ability - USB micro receiver - Precision speed scrolling wheel - Adjustable CPI - Includes power-saving mode - AAA Battery (Not Included) 10cm (l) x 7cm (w) x 3cm (h) - Avail in: Black