Features1. 2.4GHz digital wireless transmission, operation distance is up to 10 meters. 2. Built-in mouse memory,no recoding is needed after battery replacement. 3. 4-section design, the service life of one AA alkaline battery is up to six months 4. Intelligent connectivity,no need to code, plug-and-play. 5. Ergonomically designed, comfort grip. 6. Dormant class control and more power-saving hibernation connectionless. 7. 800dpi/1600dpi cursor speed adjustable. 8. Shortcut button can be used to browse the Internet or applications, easily on the toolbar "forward" and "backward" function 9. Power switch, in the case of not using power off completely.Cautions1. Operation distance is closely related to the environment. 2. Battery life may be different for personal habit of using mouse. 3. In case of mouse failure,please check battery power and replace it as necessary 4. The mouse will shut off automatically and enter sleeping mode for saving power when it's not used for a long time. To wake it up, press the right or left button. 5. Never waste the battery and will it in fire. Put battery into battery recycle bin.Specification: General Product Material Plastic Weight 49g Mouse Mouse types Wireless Connectivity USB Port Movement Detection Optical Scroll Types Scroll Wheel Resolution 800 (DPI), 1600 (DPI) Mouse Size 10.5*6.5*2.5cm Power Supply 1 x AA Battery (not included) Technical Parameter Frequency 2.4GHz USB Interface USB 2.0 Package Include Package Contents 1 x USB Receiver 1 x Mouse Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 18cm * 12cm * 3cm / 7.09inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 17.16kgs / 37.83lb Carton Size 38cm * 50cm * 32cm / 14.96inch * 19.69inch * 12.6inch Loading Container 20GP: 438 cartons * 100 pcs = 43800 pcs40HQ: 1018 cartons * 100 pcs = 101800 pcs