GitHub - fbiego/DT78-App-Android: Alternative app for the DT78 Smartwatch. Also works with DT92 & DT66. May work with watches that use the WearFit 2.0 app.
DT78 Smart Watch for Men Woman Heart Rate Monitor Blood Pressure Watch Bluetooth 4.0 IOS Android Sports Watch - AliExpress
DT78 | DTNO.1 - Smartwatch Manufacturer, Factory, Supplier, DTNO.1 Wholesale Smartwatches to all the world