Specifications

1.waterproof mobile phone arm bag 
2.high qualit 
3.best price

Feature:

1.This lightweight and comfortable waterproof armband was designed specifically for all Ipone and Samsung galaxy S3, S4

2.Armband will not slide down arm and securely holds and stabilizes phone

3.Adjustable armband fits 9 – 17 inches and an Armband Extender is available for larger arm sizes

4.Full navigational control through clear, protective window cover

5.Securely stores and manages earphone cord

6.Washable

7.Cushioning neoprene protects player

8.Covers device (except vital access points at bottom)

9.Helps protect against perspiration, bumps, scratches and the elements

10.Reflective logo