# Smartwatch Retoo DZ09 Black E039 - basic smartwatch with SIM support and notification functions

**URL:** https://aio.lv/en/product--retoo-e039--12364374
**Data updated:** 2026-04-26 18:53 (EEST)
**Category:** Smartwatches & Fitness Bands
**Manufacturer:** Retoo
**Manufacturer code:** E039
**EAN:** 5904094224173
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--retoo-e039--12364374

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Retoo DZ09 (E039) is a basic smartwatch in black designed for daily use. It provides core smartwatch functions such as call handling via SIM support, message and notification alerts, and activity monitoring features common to DZ09 models. Suitable for users who need phone-independent calling, quick notifications on the wrist, and simple fitness tracking.

## Long description

Retoo DZ09 Black E039 is a basic smartwatch designed for everyday use, offering core wearable functionality in a compact black housing. The watch supports a standard SIM card for phone-independent calling and can display message and app notifications from a paired smartphone. It also includes basic activity tracking features typical of DZ09 models, such as step counting and sleep monitoring, and a simple touchscreen interface for direct control from the wrist.
Advantages
The Retoo DZ09 delivers convenient call handling via built-in SIM support, enabling outgoing and incoming voice calls without relying solely on a paired phone. Notification display for SMS and compatible apps ensures you receive timely alerts on the wrist. The device combines communication and simple fitness monitoring in a single low-complexity device, with a straightforward interface that is easy to operate for daily tasks.
Suitable for
 Users who need phone-independent calling on a wrist-worn device.
 People who want quick access to message and notification alerts without checking a smartphone.
 Those seeking basic activity tracking like step counting and sleep monitoring.
 Buyers looking for an affordable, uncomplicated smartwatch for daily wear.
When it may not be suitable
This model is a basic smartwatch and does not offer advanced health metrics such as continuous heart rate monitoring with clinical accuracy, ECG, or blood oxygen measurement. It may lack the app ecosystem, advanced sensors, and high-performance processors found in premium smartwatches. Users who require deep integration with specific smartphone apps, advanced fitness coaching, or high-resolution color displays should consider higher-end alternatives.
Key specifications
 Form factor: wristwatch with touchscreen control.
 Connectivity: SIM card support for direct voice calls; Bluetooth for pairing with smartphones.
 Notifications: SMS and compatible app alerts displayed on the watch.
 Activity tracking: step counter and basic sleep monitoring.
 Design: black casing with strap suitable for daily wear.
 Power: rechargeable internal battery with typical multi-day standby depending on usage.
How to use
Insert a compatible SIM card if you want to use the smartwatch for calls independent of a phone, or pair the device with a smartphone via Bluetooth to synchronise notifications and basic data. Use the touchscreen to navigate menus, answer or make calls, view messages, and check activity statistics. Charge the device with the supplied cable and follow on-screen prompts or the user manual to set language, time, and notification preferences.
What to consider before purchase
 Check SIM size compatibility and local network support for voice calls.
 Confirm Bluetooth compatibility with your smartphone and the app requirements for notification syncing.
 Assess battery life expectations relative to your daily usage and notification frequency.
 Consider whether basic activity tracking meets your fitness monitoring needs or if advanced sensors are required.
Usage recommendations
For reliable daily operation, keep the firmware and companion app updated, charge the watch regularly, and verify notification permissions on your smartphone. Use the SIM feature where mobile coverage is available and rely on Bluetooth syncing when you prefer integrated notification history with your phone.

## FAQ

### How much does the Smartwatch Retoo DZ09 Black E039 cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 249 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 16.07.2026 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 Retoo 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 Retoo 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/12364374/68344972_large.webp