For this item,it's RAOOP wireless N*7 mouse,We have ***0pcs in
store,it can be used at a distance of *0m, 2.4 GHz Nano receiver,
you can ues it as soon as plug it,can effectively eliminate delay
and drop within the scope of *0m. Adequate battery life as long as
**5 month makes you be away from trouble of changing battery
frequatly.The mouse has smooth precise optical tracking performance
to ensure that you control accuracy.At last,color available to meet
different customers' requriment.