EZOPower Sync Transfer USB Dual Dock Cradle Desktop Charger with Spare Battery Charging Slot for RIM Blackberry Bold 9900 9930 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 Dock the BlackBerry Bold 9900 9930 at a convenient viewing angle.Does not work with the extended battery Package includes: Cradle, USB Cable & USB AC Charger. Use Data cable label 'Data Transfer Only' to synchronized your phone. Connect USB Data Cable label 'Power Only' with the Power Adapter to Charge your Phone. Cannot Sync and Charge simultaneously.