Features:

• Mobile Phone Holder for Running : Compatible with any iPhone up to 170mm in height and 100mm in width - 7.4 inches [19cm] across the whole phone.
• One Size Fits All Arms : The stretchable velcro strap ensures a snug fit around almost any arm size. The running armband gives 2 strapping options. Option A: 8.8"-12.2" [22-31 cm] or option B: 11.8"-15.7" [30-40 cm]
• Care Free Exercising : The armband holds your phone in place and protects it from falling and water damage, while still being accessible through its see-through and touch sensitive clear cover - Skip songs and start your stopwatch without having to remove your phone - With the earphone holes in the back you can listen to your favourite tunes even with wired headphones.
• Built-in Protection : Never worry about losing any of your keys as the built-in key holder keeps your keys in place - The reflective strip protects you as it keeps you visible and safe from traffic, even in low light conditions.
• Designed for Sport : The armband phone holder is lightweight, comfortable and perfect for running, jogging, fitness or any active activity.