Haylou RS3 LS04 Smartwatch – Sporty Minimalist Wearable

Haylou RS3 LS04 Smartwatch – Sporty Minimalist Wearable

Haylou introduces yet another wearable in the market. The Haylou RS3 LS04 smartwatch, a circular smartwatch with minimalist design, slim, light, and packed with different functions. Here is the initial review of the features and specs of the Haylou RS3 LS04 Smartwatch


The Haylou RS smartwatch has an aluminum alloy frame, simple design, minimalist, unlike LS05 which has an outdoor style. It is a simple, elegant Bauhaus design according to Haylou. Overall body is 5 ATM water-resistant with its integral molding backshell design. It can survive underwater up to 50 meters for 10 minutes The smartwatch overall is accompanied by a flexible silicon strap with stainless steel buckle.


It is a lightweight wearable weighing 46 grams only, compact, light, and durable with its aluminum alloy frame.

When it comes to display, the smartwatch has a fully circular screen display. It has a 1.2” inch AMOLED screen, high definition display with ultra-clear view. The 390 x 390 pixel resolution, provides sharp, crisp color.

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Sensors included in the device are acceleration sensor, heart rate monitoring sensor, blood oxygen sensor. It is also equipped with GPS for sport feature. This list of sensors is for its preloaded sport functions. The wearable has Bluetooth 5.0, which is compatible with Android 6.0 and above, iOS 9.0 and above. For its battery life, the wearable has 230 mAh battery with 12 days of battery life.

Features of Haylou RS3 LS04 Smartwatch

Health Features

The smartwatch is packed with different health sensors, and work side by side with its sports functions.

Heart Rate Monitoring

It has a low-power dynamic optical heart rate sensor. The sensor can monitor your heart health for 24 hours. It has a smart health algorithm to keep check of your HR.

Blood Oxygen Sensor

For sports enthusiasts, check your blood oxygen saturation (SpO2), with its built-in sensor. Check it while having a rest or working out. It is a useful function, especially if you are doing your workout routine. Always keep in check if you have a sufficient supply of oxygen in your body. Additional health function is sleep monitoring, check the stages of your sleep, from light sleep to deep sleep. The monitoring function also checks the sleep hours as well as the awake time. You can also set the wearable to alert you if you are sitting for too long with its sedentary reminder.

14 Workout Modes

The Haylou RS3 smartwatch has at least 14 sports monitoring, aside from that is accompanied by its built-in GPS for outdoor workout. Sports included in the device are jogging, fast walking, biking, climbing, spinning, yoga, indoor running, integrated training gymnastic, basketball, football, rowing, open water swimming, and swimming in the pool. Depending on the type of sports, it might keep track of heart rate, steps. Calories, distance, and time of exercise. With regards to swimming, it monitors/records the pace, swolf, average pace, stroke times, frequencies, and more.

Real-Time Reminder

Receive real time reminders whether it is messages or calls. The wearable also supports app notifications. Receive notifications from Skype, Twitter, Facebook, and more.

Additional Functions in the wearable include remote music control, weather forecast, find phone, preloaded, and downloadable watch faces. There is also an option for customizable watch faces.

Haylou RS3 LS04 Smartwatch Specifications

Dimensions:50.5 x 43.4 x 12.5 mm

Display:1.2″ inch AMOLED, 390 x 390 pixels

Sensors: g-sensor, heart rate monitoring, blood oxygen monitoring, GPS

Bluetooth: Bluetooth v5.0

Battery:230mAh, Built-in rechargeable, daily use mode: 12 days, basic use mode: 21 days, GPS mode: 21 hours

Support App: Haylou Fun

Waterproof Rating: 5 ATM Waterproof

Platform Supported:iOS 11.0 & Above / Android 6.0 & Above

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