features:<br />it can recharged directly by adaptor， power bank， pc， laptop， etc.<br />super laser，  and precision<br />smooth shape<br />2.4ghz optical wireless<br />dpi (3 modes) adjustable<br /><br />specifications:<br />power supply: 150ma/3.7v built-in lithium battery<br />dpi: 800-1200-1600<br />color: orange red， red， blue， gray， purple， black<br />size: 100mm x 61mm x 35mm(l x w x h)<br /><br />package included:<br />1 x wireless charging mouse<br />1 x usb receiver<br />