•CPU chip: low power GR5515
•PPG sensor chip OSRAM SFH2201
•ECG chip TYHX3220
•Blood oxygen chip GH3220 analog front-end+OSRAM SFH2201
•Gravity acceleration sensor Roma KXTJ3-1057
•Battery: 280mAH (polymer pure cobalt cell of Seiko protective plate)
•Display: 1.83-inch 240 * 284 high-definition touch screen
•Heart rate: green PPG
•Waterproof: IP68 grade
•Bluetooth: Bluetooth 5.1 (Android 5.0 or above, IOS 9.0 or above)
•Touch: full touch screen (full fit screen)
•Shell material: alloy metal+plastic
•Watch strap: environmental silicone watch strap/leather watch strap
•Charging mode: USB magnetic 2pin charging cable (with protection)