# Smartwatch HAYLOU RS4 (HAY030) Black - Haylou smart watch with activity tracking and notifications

**URL:** https://aio.lv/en/product--haylou-hay030--12405218
**Data updated:** 2026-04-30 18:33 (EEST)
**Category:** Smartwatches & Fitness Bands
**Manufacturer:** HAYLOU
**Manufacturer code:** HAY030
**EAN:** 6971664931495
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 26.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--haylou-hay030--12405218

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

HAYLOU RS4 (HAY030) is a Haylou smartwatch in black designed for daily wear and fitness tracking. It provides core smartwatch functions such as activity and sleep monitoring, call and message notifications, and basic health metrics. Suitable for users seeking a wearable for step counting, workout tracking and on‑wrist alerts.

## Long description

The HAYLOU RS4 (HAY030) Black is a compact Haylou smartwatch designed for daily wear and basic fitness tracking. It offers step counting, workout recording, sleep monitoring and on‑wrist notifications for calls and messages. The watch combines a minimal black design with core smartwatch functions to support everyday activity monitoring and simple health metrics.
Advantages
The HAYLOU RS4 delivers continuous activity tracking and sleep analysis in a lightweight design suitable for all‑day wear. It keeps users informed with call and message alerts on the wrist, and provides basic health indicators to help monitor daily habits. The black finish and straightforward interface make it easy to pair with casual and sport outfits while maintaining simple usability for everyday tasks.
Suitable for
 Users who want a basic smartwatch for step counting and daily activity monitoring
 People who need on‑wrist call and message notifications without using a phone
 Those seeking a lightweight device for casual wear and fitness tracking
 Beginners looking for straightforward sleep tracking and basic health metrics
When it may not be suitable
This model focuses on core tracking and notification features and does not provide advanced smartwatch functions such as third‑party app ecosystems or extensive onboard storage. Users requiring advanced health measurements, integrated GPS tracking without phone connection, or high‑end smart features may find it limiting.
Key specifications
 Color: Black
 Functions: activity tracking, sleep monitoring, call and message notifications
 Fitness features: step counter and multi‑mode workout tracking
 Health metrics: basic sleep analysis and standard activity summaries
 Design: lightweight wristwatch form factor suitable for daily wear
How to use
Wear the HAYLOU RS4 on the wrist with a comfortable fit for accurate step and sleep detection. Pair the watch with the companion mobile app to enable notifications and synchronize activity and sleep data. Start a workout mode via the device interface to record specific exercise sessions and review summaries on the watch or in the app. Charge the device as recommended to maintain continuous tracking.
What to consider before purchase
 Decide whether basic activity and sleep tracking meet your needs or if you need advanced health sensors or built‑in GPS
 Confirm compatibility with your smartphone and the required companion app
 Consider comfort and strap fit for all‑day wear
Usage recommendations
For reliable daily tracking, wear the watch snugly during activities and overnight for sleep monitoring; regularly sync data with the companion app and charge the device according to usage patterns to ensure continuous notifications and activity recording.

## FAQ

### How much does the HAYLOU RS4 (HAY030) Smartwatch Black cost, and is it available for purchase?

The price is 31.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HAYLOU products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HAYLOU service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12405218/68692094_large.webp