Feature: 1.2.4GHGz digital wirele transmiion + Bluetooth connection provides an operating distance of up to 8-10 meters. 2.16 automatic switching work channels and up to 60,000 groups of secure paword face to eliminate external interference. 3.Nano receiver, plug and play, without intelligent connection technology of code matching, 4.Built-in mouse memory, built-in lithium battery, no need to replace the battery. 5.Matte optical trace engine, 3-gear adjustable DPI (1000/1600/2400). 6.Hidden storage design for micro receiver. 7.Onlight/ON/OFF. 8.Ergonomic design, elegant appearance and comfortable for the hand. 9.Wide compatibility: Windows2000 / XP / Vista / Linux / 7/8 and MAC operating system. Specification: Type: Wirele Mouse Primary Optoelectronic IC: 3065 DPI: 1000/1600/2400 Connection: 2.4G Wirele + Bluetooth connection (Broadcom) Lifespan: 5 million times mute clicking Battery Type/Voltage: 3.7V / 6mA Charging Interface: Micro USB Built-In Lithium Battery: 500mAh Lithium Battery Button Qty: 6 Length of Charging Cable: 80cm Product Size: 125*70*42mm Weight: 98g Package Included: 1 * Wirele Mouse 1 * User Manual 1 * Charging Cable