Vanki Blue 2.4G RF optical wireless USB mouse for macbook 13" PRO AIR 11" DELL ACER SONY HP TOSHIBA For all laptop and desktop with USB 2.0 Made of PC No battery provided;USB plug inside battery slot It's not compatible with Retina Macbook Pro Other colors provided in our shop Usually, you will get it actually in 9~19 days, If you are in the USA and the item is NOT Fulfilled by Amazon. the item will be sent to you by USPS with shipping information from China. The estimated delivery time offered by Amazon is not the real time. Your patience is highly appreciated. Hope you will receive your item soon and enjoy using it.