I have purchased 3 TB apple hard drive. It is wireless hard drive that work seamlessly with time machine in OS X to create no hassle back up solution. It has following features.
Automatic wireless backup
Ultra fast 802.11 ac Wi-Fi which help to transfer data at great speed.
3.Antenas are top of elevated design which helped to connect faster and with more power than ever.
4.You can easily connect to your iPad, iPhone and iPod in just few taps by using built in setup assistant.
5.You can share your document videos photos and other files instantly across your Wi-Fi network. You can also connect your printers.
6.Any Wi-Fi Device will work with this hard drive.