The s.O.S. Power bank is ready to give you a boost when you need it most. For easy portability, use the silicone strap to attach the power bank to your purse or gym bag. You won't be sending out any distress signals with its integrated 2-in-1 adapter, ready to re-charge most ios smartphones and android devices on the go. spectech-power products have a one year warranty on electronic parts from date of purchase