# Stereo Portable Speaker 4smarts 540702 Grey, Silver

**URL:** https://aio.lv/en/product--4smarts-540702--10741424
**Data updated:** 2026-06-04 16:23 (EEST)
**Category:** Portable Speakers
**Manufacturer:** 4smarts
**Manufacturer code:** 540702
**EAN:** 4252011907441
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--4smarts-540702--10741424

## 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

The 4smarts 540702 is a versatile stereo portable speaker in grey and silver. With an RMS rated power of 5 W and a frequency range of 80 - 20000 Hz, it delivers clear sound. The wireless connectivity and a compact cylindrical design make it easy to carry. It features a built-in 700 mAh Lithium Polymer battery, ensuring long-lasting playtime. Ideal for universal use, this speaker is perfect for parties or casual listening.

## Long description

The 4smarts 540702 is a versatile stereo portable speaker designed for those who value both mobility and audio clarity. Featuring a sleek grey and silver finish, this compact cylindrical device integrates seamlessly into any environment, from your home office to outdoor gatherings. With an RMS power output of 5 W and a frequency range covering 80 to 20000 Hz, it provides a balanced sound profile suitable for various music genres and media playback.
Advantages
This speaker stands out due to its robust build and high level of portability, making it an excellent choice for users on the move. The inclusion of a magnetic mounting system allows for flexible placement on metallic surfaces, while the integrated stand function supports convenient video viewing. Its IPX6 certification ensures that the device remains protected against splashing water and dust, providing peace of mind during outdoor use. Furthermore, the long-lasting 700 mAh Lithium Polymer battery supports extended playback sessions, and the ability to pair with a second unit enables a true stereo experience.
Suitable for
Casual music listening at home or in the office
Outdoor activities such as picnics or beach trips
Hands-free calling via the integrated microphone
Watching videos with the built-in stand function
Mounting on fitness equipment or kitchen surfaces
When it may not be suitable
This speaker may not be ideal for large-scale events or professional audio environments where high-volume output and deep, room-filling bass are required. Due to its compact size, it is optimized for personal use rather than filling large open spaces with sound.
Key specifications
RMS rated power: 5 W
Frequency range: 80 - 20000 Hz
Battery capacity: 700 mAh Lithium Polymer
Connectivity: Wireless Bluetooth
Protection rating: IPX6 (splash and dust resistant)
Weight: 0.1 kg
Colour: Grey, Silver
How to use
To begin using the speaker, ensure it is fully charged using the provided interface. Activate the Bluetooth function on your smartphone or audio source and select the speaker from the list of available devices to establish a connection. Once paired, you can control playback and manage calls directly through the speaker's interface. For magnetic mounting, attach the included ring to your desired surface or device to secure the speaker in place.
What to consider before purchase
Check compatibility with your specific device's Bluetooth version
Consider the battery life, which varies based on volume levels
Verify if the magnetic mounting surface is suitable for your intended use
Assess if a single unit meets your volume requirements or if a second unit is needed for stereo pairing
Usage recommendations
For optimal battery performance, it is recommended to charge the device fully before the first use. To achieve the maximum playback time of up to 12 hours, keep the volume level at approximately 50 percent. Keep the speaker away from extreme heat sources to preserve the longevity of the internal battery.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 700 mAh |

### Performance

| Feature | Value |
|---|---|
| Built-in microphone | No |
| FM radio | No |
| Card reader integrated | No |
| Recommended usage | Universal |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB Type-A to USB Type-C |
| Manual | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth | Yes |
| Cord length | 0.55 m |
| USB charging port | Yes |
| 3.5 mm connector | No |

### Features

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Housing material | Aluminium |

### Audio

| Feature | Value |
|---|---|
| RMS rated power | 5 W |
| Frequency range | 80 - 20000 |

### Design

| Feature | Value |
|---|---|
| Product colour | Grey, Silver |
| Product design | Cylinder |
| Built-in display | No |
| Product type | Stereo portable speaker |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Battery life (max) | 12 h |
| DC input voltage | 5 |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 140 g |
| Package type | Hanging box |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.1 kg |
| Height | 35 mm |
| Width | 95 mm |
| Depth | 105 mm |

### Loudspeakers

| Feature | Value |
|---|---|
| Number of speakers | 1 |
| True Wireless Stereo (TWS) technology | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Stereo Portable Speaker 4smarts 540702, 540702 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 4smarts 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 4smarts 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, number of speakers, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/10741424/63793513_large.webp