Hostey ®Adaptateur Dual USB Car Charger with 2 ports with 2.1 Amp for Samsung Galaxy S2, player, Tab More, ACE, Star GT-S5230, iPhone, iPod, iPad 3, Kindle Touch / Fire, HTC X / S , Lumia 900, Sandisk Sansa - all USB devices (Electronics)
Only flat, it is not easy to remove once in place. Otherwise, he filled his role very well (for my S3), and do not take up space.