Toontor For iphone 6 3500mAh External Backup Battery 4.7" Case Portable Charger Battery Up Power Bank Rechargeable Case With Standard (Green) Charge and sync phone while refilling your battery at the same time Integrated power switch allows you to switch on/off the battery case Built in short circuit and over charge protection Fast shipping from CA, US.Usuallly can arrive 3-5 business days!