Haylou RS4 vs Haylou RT2
vs
General
Model
Brand
Haylou
Haylou
Body
Shape
Rectangular
Circular
Colors
Black, White
Black
Dimensions
45.2 x 37.2 x 11.1mm
45.7 x 45.7 x 12.1mm
Weight
48.6g with strap
55g with strap
Strap
20mm
22mm
Display
Type
AMOLED
TFT
Size
1.78 inches
1.32 inches
Resolution
368 x 448
360 x 360 pixels
Features
Microphone
No
No
Camera
No
No
Waterproof
IP68
IP68
Sensors
Heart rate sensor, motion sensor, blood oxygen sensor
Heart rate sensor, motion sensor, blood oxygen sensor
Modes
12 Workout Modes
12 Workout Modes
Comms
SIM
No
No
Bluetooth
5.1
5.0
WLAN
No
No
GPS
No
No
NFC
No
No
USB
No
No
Platform
OS
Android
Android
Compatibility
Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and 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 Fun
Haylou Fun
Battery
Capacity
230mAh
300mAh
Battery Life
12 days (24 hours heart rate monitoring)
12 days