DTNO.I DT3 Smartwatch Custom component Real-time ECG monitoring, HD screen | wireless charging |rotary button | Bluetooth call. 8 Reasons Why Choosing SmartWatch DT3: inch 390*390 resolution full circle high-definition display | Multiple menu options|Rotary crown|Wireless charging|Bluetooth call|add friends and collect money with the QR code of your watch|100 watch faces|Long-lasting battery life|Real-time ECG monitoring|Heart rate|24/7 health monitoring|Multiple sports|Bluetooth music|Sleep monitoring, etc.