Features: Fast charging, intelligent power saving: You do not need to change the battery, and it can also be used when charging, a full charge, can use 1-3 months. Plug and Play function: No need to code, automatic connection, it is convenient and no need for any driver. Exquisite workmanship, high quality materials, sturdy and durable. Wireless can meet various needs, long service life and can withstand a lot of work. 2.4G wireless transmission operation is more convenient. Specification: Material: ABS Color: Black Rated operating current: ≤10mA Resolution: 1000/1200/1600DPI adjustable Tracking system: Optics Acceleration: 14 inches / sec Wireless carrier frequency: 2402-2480MHz USB interface: 1.1/2.0 Wireless working channel: 16 automatic frequency hopping Rated working voltage: 5V Operating System: For Windows and for MAC OS Blue light is always on: Charging Blue light is off: Charging is completed Size: Approx. 11.5 * 6.2 * 3cm / 4.53 * 2.44 * 1.18inch Package Weight: Approx. 110g Package list: 1 * Mouse 1 * Receiver 1 * USB Cable 1、Fast charging, intelligent power saving: You do not need to change the battery, and it can also be used when charging, a full charge, can use 1-3 months. 2、Plug and Play function: No need to code, automatic connection, it is convenient and no need for any driver. 3、Exquisite workmanship, high quality materials, sturdy and durable. 4、Wireless can meet various needs, long service life and can withstand a lot of work. 5、2.4G wireless transmission operation is more convenient.