TENMOS T12 Wireless Mouse with 2400 DPI 3 adjustable levels 7 Buttons. Features reliability, ease-of-use, and user comfort, TENMOS wireless mouse gives you fast data transmission and no delay or dropouts. Energy-saving (1)The mouse comes with light switch, you can turn off the LED light if you donât need it to save energy. (2)If mouse is not used for over 10 minutes, it will turn to power saving mode to save energy. 2.4 G Wireless Transmission Technology Enjoy the fast data transmission at the convenience of the wireless technology. 3 adjustable DPI Level (800-1600-2400), change the mouse speed freely. Cool Breathing LED Light 7 different color changes randomly while in use, offering soothing ambient lighting, creating cool and fancy atmosphere for working and gaming. It can be turn off by bottom light switch. Silent and Ergonomics Design With special ergonomic shape and advanced material, this wireless mouse makes you feel comfortable.Soundless design for left and right button make you work or play in a quiet environment, won't disturb others. Wide Compatibility Compatible with most system including Windows XP, Windows Vista, Win7/8,10, Mac OS. Note 1.Charge the mouse for about 2 hours before using it for the first time. 2. It's out of power if the mouse cursor moves slowly or stop moving. 3. The blue light beside the scroll wheel will be on while charging, and then goes off when the mouse is fully charged. Package Content: 1* Wireless Mouse 1* USB receiver(packed with charging cable) 1* USB charging cable 1* English manual