MobilePioneer USB 2.0 9pin Dual Desktop Dock Charger Cradle for Samsung Galaxy Note 4 - Support Charging Spare Battery (Black) This dual charging dock cradle is specifically designed for the Samsung Galaxy Note 4- Support Charging Spare Battery Watch videos and listen to music while the handset charges When connected PC, allow cell phone to Sync your device Support USB 2.0 sync data 3-in-1 Feature: USB Sync and Charge Cradle Desktop Charger with 2nd Battery Charging Slot