ChineOn USB Dock Sync Charger Cradle for Galaxy S3 i9300(Balck) Small and light,easy to take away. Perfect for Samsung Galaxy S3 i9300 i9308, S2 i9100, Galaxy Note i9221. Exclusive for Smasung Galaxy S3 i9300 Charge & sync data with your devices easily. Can be also connected to an electrical outlet using an USB Power Adapter to charge the battery.