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J-Style Smart Skip: PVC cover steel rope with adjustable length Motor vibration with Speaker together, easy to know the Progress Download JCSkip APP in App store or Google play store, you can join different group level, ...

J1657 Smart Sleep Belt: sleep. Sleep Status Analysis J-Style smart sleep monitor can estimate how much light sleep, deep sleep, REM sleep, awake and off bed user gets each night. Sleep Report & Analysis To help you better ...

J1939W Smart SPO2 Band: Spo2 monitoring for better check the health and fitness of the user. Monitor the heart rate during exercise, and alert when heart rate is abnormal. Health monitoring bracelet with Blood Pressure, ...

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