Product Type: Smart Watch.
Ultra-high resolution and faster response speed.
AMOLED HD display.
Delicate and fine-textured.
12 work out modes.
Heart rate monitoring.
Blood oxygen testing.
368 x 448 resolution.
Warranty: 6 months warranty.
Product details of Haylou RS4 AMOLED HD LCD Smart Watch with spO2
Product Name: Haylou RS4
Bluetooth connection: Bluetooth V5.1
Main body size: 45.2*37.2*11.1mm
Sensors: Heart rate sensor, motion sensor, blood oxygen sensor
Strap width: 20mm
Watch weight: 48.6g (with strap)
Display: 1.78" AMOLED display
Battery capacity: 230mAh
Battery life: About 12 days (It depends on the use. If you use more, you will get less battery life.)
System requirement: Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries.
Warranty: 6 Month Brand Warranty.