Haylou Solar vs Haylou RS4
vs
General
Brand
Haylou
Haylou
Body
Shape
Circular
Rectangular
Colors
Black
Black, White
Dimensions
45.3 x 11.4mm
45.2 x 37.2 x 11.1mm
Weight
54g with strap
48.6g with strap
Strap
22mm
20mm
Display
Type
TFT
AMOLED
Size
1.28 inch
1.78 inches
Resolution
240 x 240 pixels
368 x 448
Features
Microphone
No
No
Camera
No
No
Waterproof
IP68
IP68
Sensors
Ultra-low dynamic optical heart rate sensor, accelerometer
Heart rate sensor, motion sensor, blood oxygen sensor
Modes
12 sports modes (Jogging, fast walking, biking, climbing, running indoor, spinning, yoga, gym, free training, basketball, football and boating)
12 Workout Modes
Comms
SIM
No
No
Bluetooth
5.0
5.1
WLAN
No
No
GPS
No
No
NFC
No
No
USB
No
No
Platform
OS
Android
Android
Compatibility
Android 4.4 or above; IOS 8.0 or above (Parts of the functions may be not available due to different watch version and phone in different countries)
Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries.
Mobile App
Haylou Fit
Haylou Fun
Battery
Capacity
340mAh
230mAh
Battery Life
15 days (24-hour heart rate monitoring)
12 days (24 hours heart rate monitoring)