Visenta Recon -YSN Bluetooth Foldable Surface Edition ARC Touch Style Mouse, Black World's first 180 degree fully foldable mouse with touch scroll, the mouse can bend by 180 degrees Arc mouse with Bluetooth 4.0 connection, no driver needed and just plug and play, compatible with windows 8 Optical mouse with 2 buttons, 4 dpi levels, click right and left buttons and hold for 3 seconds for changing DPIS (800/1200/1600/2000DPI) Rechargeable Bluetooth mouse, built-in rechargeable li-ion battery, get rid of aa battery completely Auto on/off power saving technology, the mouse will turn off automatically without motion and clicks within 3 minutes