Features:<br /><br />    Enjoy gliding across your desk without having to use a mouse pad with this wireless optical mouse.<br />    It can be used on almost any surface (except glass) because it uses sensors to record the movement optically .<br />    Plug-and play.<br />    Comfort grip &amp;amp; Soft Touch finish.<br /><br />Specifications:<br /><br />    2.4GHz wireless transmission.<br />    Up to 10 meters of operating distance.<br />    Fast wake up time less than 0.2 sec.<br />    Built-In mouse memory・ no recording is needed after battery replacement.<br />    With 4 Keys・ including Scroll Wheel.<br />    Low power consumption.<br />    Low voltage alarm function.<br />    Color: As the picture show.<br />    Mouse size: 120mm x 66mm x 30mm/4.72inch x 2.60inch x 1.18inch<br />    Mouse weight: 60g/2.12(oz)<br />    Power: 2 x AAA battery (Not included).<br /><br />Installation:<br /><br />    1・ While the mouse is turned off・ connect the USB receiver into the computer.<br />    2・ Driver will be loaded automatically・ take about 10 seconds to finish.<br />    3・ Install 2 fresh AAA batteries in battery compartment.<br />    4・ Turn on the mouse.<br /><br />Package Included:<br /><br />    1 x Ergonomic 2.4GHz Wireless Optical Gaming Mouse<br />    1 x USB Receiver<br /><br />NO Retail Box. Packed Safely in Bubble Bag.