General
Model: Haylou RT2 (LS10)
Compatible OS: Android 6.0 and above, iOS 11.0 and above
App: Haylou Fun (for pairing and data sync)
Body
Dimensions: 45.7 x 45.7 x 12.1 mm
Strap Width: 22 mm
Weight (with strap): 55 g
Case Material: Alloy / Plastic
Band Material: Silicone
Display
Screen Size: 1.32‑inch
Resolution: 360 x 360 pixels
Touch: Full touch screen
Connectivity
Bluetooth: Version 5.0
Bluetooth Range: ~10 m
GPS: None
Sensors
Heart Rate Sensor
Motion / Accelerometer Sensor
Blood Oxygen (SpO₂) Sensor
Battery
Capacity: ~300–330 mAh
Battery Life (Daily Use): Up to ~12 days
Battery Life (Basic Mode/Standby): Up to ~20 days
Charging Type: Magnetic charging
Health & Fitness Functions
24/7 Heart Rate Monitoring
Sleep Monitoring
Blood Oxygen (SpO₂) Tracking
12 Sport / Workout Modes (steps, calories, distance, etc.)
Sedentary Reminder
Breathing Exercises
Smart Features
Message and Call Notifications
Music Control
Find Phone
Weather Display
Custom Watch Faces
Build & Durability
Waterproof Rating: IP68 (daily water resistance; not for swimming/diving)
Other
Multiple languages supported via the app
“I’ve been using the Haylou RT2 for a week and I’m really impressed. The 1.32-inch screen is crisp and bright, and the heart rate and SpO₂ tracking seem very accurate. Battery life is fantastic—I haven’t charged it once since unboxing!”
“The Haylou RT2 is incredibly lightweight and comfortable to wear all day. The 1.32‑inch screen is bright and sharp, and the battery easily lasts me over a week on a single charge. Great value for the price!”
“Great value smartwatch! The 1.32-inch screen is bright and clear, and the battery easily lasts me 10+ days. Love the heart rate and SpO₂ tracking for daily health monitoring.”“Simple, stylish, and super comfortable to wear all day. It pairs instantly with my Android phone and the Haylou Fun app is easy to use. Perfect for basic fitness and notifications.”