iGadgitz Black Anti-Slip Reflective Neoprene Armband for HTC One M8 2014 Sports Jogging Gym Not Suitable for any other HTC One Smartphones. Please note that this armband will not fit your phone if it is in a case or cover. iGadgitz custom-made running armband for HTC One M8 2014 Android Smartphone Produced from superior quality neoprene with reflective 'Jog Safe' banding. Access to headphones and all controls. Secure adjustable armband designed for arms approx. 24cm and approx. 33cm in circumference. If your arm is bigger than this you may wish to consider purchasing the iGadgitz Armband Extender Strap. Please search for the product by typing iGadgitz Black Neoprene Extender Grip Strap in the search bar above.