M3 Color Screen Smart Sports Watch Bracelet with Blood Pressure / Oxygen / Heart Rate Monitoring - Blue Shaving & Hair Removal 3M CMOS Sensor HD

3M CMOS Sensor HD

Here are some videos showing what is up2stream and how to use it making an old speaker into WiFi speaker

full lamination technology

Altitude Hold

also can download more from service (when connect with netwok)

M3 Color Screen Smart Sports Watch Bracelet with Blood Pressure / Oxygen / Heart Rate Monitoring - Blue Shaving & Hair Removal 3M CMOS Sensor HDFeatures: 0. 96 inch TFT touch screen shows your movement data, and makes the message content directly displayed. IP67 waterproof level, 50 meters swimming waterproof, sports data lifting wrist is visible. Support heart rate and blood pressure monitoring. It has the function of caller vibration reminding. Synchronously record movement data such as steps, calories, mileage and so on. Description: It can monitor your sleep time, sleep quality and sleep