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Lock/ unlock the program, select the application you want to lock/ unlock, write the ring, the ring touch the phone to start the application, to

Smart Ring Health Tracker for Women & Men, Continuously Records Sleep Quality, Heart Rate, Temperature, Blood Oxygen and Pedometer,Gift : Electronics

Smart Ring For Superior Performance

Smart Ring - The Ultimate Wearable Technology for Hands-Free Control and Health Tracking : Electronics

Smart Ring For Superior Performance

Smart Ring For Superior Performance

Smart Ring Health Tracker for Women & Men, Continuously Records Sleep Quality, Heart Rate, Temperature, Blood Oxygen and Pedometer,Gift : Electronics

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USHOBE Phone Finger Ring Tag Ring Wear Finger Digital Ring Stainless Steel Finger Ring Men's Rings Men's Rings Mens Rings Smart Rings for Men Smart Ring for Men Man Equipment Number

Smart Ring For Superior Performance