HP Sprocket is a tiny, portable photo printer you can take virtually anywhere and instantly print 2x3 inch snapshots from your mobile phone in secondsHP Sprocket is a tiny, portable photo printer you can take virtually anywhere and instantly print 2x3 inch snapshots from your mobile phone in secondsHP Sprocket is a tiny, portable photo printer you can take virtually anywhere and instantly print 2x3 inch snapshots from your mobile phone in seconds