Kowellshine T008 New Version Solar Wireless Mouse Plus Solar Energy Powered Mouse---Black Latest Solar Energy-saving Mouse for XP/Window7/Windows8/Windows10/Mac No battery hassles - any light source keeps your mouse charged for at least one month in total darkness 3 speed models(1000-1500-2000DPI ) without Drive in the game and accurately position Powerful 2.4 GHz wireless: Enjoy a reliable connection using a tiny Unifying receiver up to 10m working distance Intelligent Power Saving: AI power saving Design,4 level saving mode