Material:ABS Specification:110*57*23mm/55g How to use:One AA battery is required to be put in with correct poles. And then plug USB receiver into computer. Turn on the switch at the bottom of the mouse. Then you can use it. Available for computers of all system and brands. Caution:Please protect it against water, dust and press. 2.4GHz wireless mouse. 8m transmitting distance. Ultrathin design，fashionable colour， smooth lines. Convenient to be operated by both hands.The mouse is of left,middle and right buttons. Precise optical trace. (resolution: 1000DPI,refresh rate:3500fps). Flexible and smooth control. Precise trace and operation. The left and right buttons can be used more than one million times. Operation voltage:1.5V, current:15mA. Safe to use. convenient to operate. Brand MINISO SKU 100279142_NP-1020543526