Wireless Optical Mouse (Promotion Gift) Manufacturer in China Wireless Optical Mouse (Promotion Gift)Wireless Optical TechnologyReceiver Stores Neatly InsideElegance and Compact Design, Ideal for Laptop usersAutomatically powers off when the Wireless Receiver is StoredLow battery indicatorPlug and PlayWireless to extend your working distanceScroll Wheel for Internet surfingPrecise Optical ...