BoxWave - miniSync - Retractable Cable - Sync and Charge USB Cable!
This is the ever popular retractable cable with specific phone adapters. Much cheaper than phone travel chargers and syncs as well.
1. USB 2 may provide more power than USB 1, some device may not charge on USB 1 properly.
2. Some phones don't charge via USB at all, even when the cable works.
3. It takes a long time to charge via USB, most people do it overnight.