Palm Treo 680, 750, 750v, 650, 700w, 700p, 700wx PDA Smartphone USB Cradle Twin Desktop Battery Charger The USB cradle holds PDA at a comfortable reading angle and provides convenient access on desk. Synchronize & Charge phone with USB cable. Charge extra battery with AC adapter. Portable Design - Convenient for travelers and business users. USB data cable & AC Adapter included. USB cable sync & charge phone only. AC adapter charge 2nd battery only