EZOPower USB Dual Dock Cradle Desktop Charger with 2nd Battery Charging Slot + 2 Standard Battery + Bluemall Strap for T-Mobile HTC Sensation 4G EZOPower USB Cradle Desktop Charger with 2nd Battery Slot 3-In-1 Features: Synchronize, Charge Phone and Charge 2nd Battery. LED indicator displays charging status Includes Dock Cradle, 2 x Batteries & Neck Strap Does not work with the extended battery