DBigness&reg; Smooth Touching Lycra Sports Armband Running Jogging Gym Exercise Case Cover for iPhone 6/6s Plus,Samsung Galaxy Note 5 S6 Edge+ S7 Edge Sweatproof Key Holder For Men Women(5.5&rdquo; Green) Perfect Fit: 4.7 inch armband (support mobile phone size below 5.0 inch) perfect fit iPhone 6/6s iPhone 5 / 5S / SE and Samsung Galaxy S7/S6/S6 Edge/S5/S4; 5.5 inch armband (support mobile phone size below 6.0 inch) perfect fit iPhone 6s Plus / iPhone 6 Plus, Samsung Galaxy Note 5 / S6 Edge+ / S7 Edge. Functionality: Waterproof and sweat-proof function to better protect your mobile phone, make you feel more comfortable during exercise.Very easy to insert and remove your device.Cutouts for easy access to headphones port and controls. Sizing: Adjustable velcro band supports a wide range of arm girth from 10.8" (27.5cm) to 17.3" (44cm). Lycra high-grade material, delicate touch and perfect feeling, soft and elastic, shock resistant, waterproof, anti-slip, anti-collision, breathable, washable, comfortable to wear, do not hurt your arm. Bonus Features: Our armband includes a reflective strip for safe running in low light conditions. Secure built-in hidden key holder perfect for house/car keys! Never worry about having to carry your keys in your pocket or losing them at the gym. Enjoy music:let the music find your rhythm,follow your pace.Enjoy the running,the more dynamic,the more exciting.