Tonor 2.4GHz Foldable Folding Optical Wireless Mouse Portable Slim Mouse USB 2.0 Receiver for PC Laptop Blue 1.Latest release on 24th April!We studied customers reviews on this foldable mouse, and then our designers and engineers set their sights on how we can create a better experience with this mouse  more effective, more comfortable, more convenient and less cost. We have updated it into two-side board,buy with confidence now! 2.Slim and foldable desgin, folds to 60% of its fully expanded size when you're on the go,easy to put into your laptop case. 3. 1200 DPI,Ideal laptop companion for home and office use. 4.Powered by 2 x AAA batteries (Battery NOT included) 5.12 months warranty.We Promise:Free replacement offered and No return required for DOA item.Note:select inquiry product details as subject when contacting seller,otherwise FBA customer service will ask you to return.