Description Connection Wireless bluetoothDPI 500 800 1000 1200 1500 1600Item model number M25Main material ABSWireless connection 2 4G bluetooth link there are 2 options for this product link Working distance 10mProduct size 117 19 58 72 41 01 mm Working mode photoelectric sensorFeatures Long battery lifekey serviceSimple and portable Quiet keyEfficient wireless connectionComfortable gripPackage Included 1 x Lenovo M25 Mouse