Decade Smart watch SN11 black

Product features 1.3inches Screen IP68 waterproof Metal for Main Body BOSCH BMA421 High end low power sensor (High accuracy) Bluetooth Version: 4.1 DIY Watch face,you can set up autodyne photos, family photos to the main watch face Other functions: Dynamic heart rate histogram＆ Result analysis Multiple sports mode: Walking/Running/Cycling/Skippin/Badminton/ Basketball/Football Heart Rate.Blood pressure.Blood oxygen" Product hardware parameters main chip:NRF52832 ROM+RAM:64KB+512KB & add another flash: 4M Byte sensor: BOSCH BMA421 heart rate:HRS3300 Screen type:IPS 240*240 1.3inches Colorful LCD charging method:USB charging waterproof level:IP68 Product software parameters System Requirements:support IOS 9.0+ and Android 4.4+ Bluetooth version:BT4.1 language support:multip languag