Galaxy Note 4 Charger, Galaxy Note 4 Battery Charging Dock, AnoKe USB 3.0 9pin Dual Sync Desktop Dock Charger Cradle Holder Pad for Samsung Galaxy note 4 - Support Charging Spare Battery DOCK This charging dock cradle is specifically designed for Samsung Galaxy Note 4 Function: Data synchronization + Phone charger + Phone holder + Charging Spare Battery (not include battery) Stable phone holder allows to watch movies without hand holding all the time.Small portable design, easy for cell phone charging with travel Notes:1. The dock is equivalent of a connector. If adapter output voltage is not enough, maybe cannot charge phone and battery at the same time. Just work either. If the special adapter over 18w (quick charger 2.0, quick charger 3.0 )have enough output voltage, both battery and phone are charging. 2. The dock works with TPU / PC slim case or without case. After-salaes Service: If you have any questions about product, please contact us via Amazon message system.The best way to slove problem is communication, please do not to leave a neutral or negative review before contacting us. we will reply within 24 hours.The pursuit of the highest quality product and the best service is our persuit. Wish you have a pleasant buying experience.