This ROCK Ultrathin Sports Armband is a perfect companion for you when you are doing exercise. It can secure your phone to your arm so you never miss your favorite tunes while running or jogging. The adjustable strap allows for a comfortable custom fit. High quality transparent PVC window enables you to view information and operate the phone without taking it out of the armband.

• Made of Lycra fabric, sweat resistant and waterproof

• Ultra thin design, say goodbye to bulky heavy armbands

• Strong velcro keeps your phone secure to your arm

• Transparent touch-through PVC window brings more convenience

• The fluorescent reflective strip offers safety for night use

• Unique earphone hole and key holder design, better operating experience

Specifications:

• Main material: Lycra fabric

• Window size: 155 x 80mm

• Whole size: 180 x 100mm

• Suitable for arm circumference: 220 - 360mm

• iPhone 6s Plus/ 6 Plus

• Samsung Galaxy S7 edge

• Other smartphones within the 155 x 80mm size