Product Details: Model Number: M107 Brand Name:OEM Origin:China Small Orders:Accepted Specifications: Model:M107 Connector style: 2.4G Rechargeable Wireless mouse DPI:1000/1600/3000 Keys:4 Keys Working distance:10m Working voltage:1.5V(1*AA) Working current:10mAh Key life:5million times Dimension:101*63*35MM