TOZO S3 Smart Watch (Answer/Make Call) Bluetooth Fitness Tracker with Heart Rate, Blood Oxygen Monitor, Sleep Monitor IP68 Waterproof 1.83-inch HD Color for Men Women Compatible with iPhone & Android

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TOZO was established in Seattle who is devoted to analysis, develop and produce high-tech digital merchandise. Embrace wi-fi audio , sensible IOT, digital actuality, and digital equipment. Devoted to provide very best quality merchandise by selecting prime quality supplies, shortening intermediate hyperlinks and enhancing effectivity. So as to purchasers can get glorious merchandise and excessive consumer experiences and inexperienced low-carbon life