The water-resistant wristband can withstand rain and sweat and is suitable for swimming. Tracker sold separately. Water resistant band is ready for rain, sweat and swimming. Aluminium double buckle fits the band so it works with any charge 3 tracker for added security on any occasion. A sporty, stylish look that keeps you comfortable all day - whether you're at the gym, in the pool or out and about designed with large perforations that allow for ultimate breathability and comfort. Designed with large perforations that allow for great breathability and comfort. Made of soft, stain-resistant silicone.