received very quickly! mouse once connected and great to use! I m now uses tantôts I use the touchscreen of laptop without any problem connecting or disconnecting c est genial according envy! there is a small "trick" that puts on the usb port to connect mouse qd but I have need to make use of the 2-port USB mouse does not work well of course! but this is not very important except for those to whom the mouse is essential and which do so only have a USB port will not be able to use s! but once that is removed and then delivers this little trick the mouse reconnects immediately any adjustment or anything is required c's why I like!