Colorful Interchangeable iTouch Air 3 Smartwatch straps to mix and match depending on your personality or outfit! Compatible Devices: iTouch Air 3 40mm and itouch sport 3 smartwatch. Easy to take on and off your smartwatch! Easy to use magnetic closure, easily adjustable, can be shaped to any size wrist or arm Lightweight, non-bulky in design, non-irritating, and totally modern and stylish.