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the styles of the products are novel, the colors are various, the workmanship is exquisite. we will check the quality of the products before shipment to ensure that you can receive high-quality products, welcome to visit our factory. the bracelet wristband is made of lightweight skin-friendly soft tpu material, lightweight design. the phone has a variety of sports modes built in, no need to add on the phone, directly wear the bracelet to exercise, the bracelet can record all your sports data. waterproof grade:life waterproof ip67..syi