# Headphones 4smarts SoundGlasses Sport 2

**URL:** https://aio.lv/en/product--4smarts-4s541620--11587144
**Data updated:** 2025-10-03 06:01 (EEST)
**Category:** Headphones
**Manufacturer:** 4smarts
**Manufacturer code:** 4S541620
**EAN:** 4252011912414
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 26.85 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--4smarts-4s541620--11587144

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The 4smarts SoundGlasses Sport 2 are Bluetooth smartglasses featuring a semi-rimless design. They offer a 120 mAh lithium-ion battery with a 2-hour recharge time. With a cable length of 0.3 m, they support various Bluetooth profiles including A2DP and HFP. The sleek black housing and frame make them stylish and functional for sports and everyday use.

## Long description

The 4smarts SoundGlasses Sport 2 are Bluetooth smartglasses with photochromic lenses that automatically darken in bright light and provide ISO-certified UV protection. The semi-rimless black frame houses open speakers and a built-in microphone so you can listen to music and take calls while remaining aware of your surroundings. With Bluetooth 5.3 connectivity, a 120 mAh battery that charges in about 2 hours via USB-C, and an ultralight 35 g design, these glasses are made for sports, commuting and everyday wear.
Advantages
Photochromic lenses adapt to changing light and protect against UV rays, while the open-speaker design delivers audio without fully blocking environmental sounds. Physical side buttons give direct control of volume, track changes, calls and voice assistant functions without touching your phone. Fast USB-C charging provides up to 6 hours of playback or talk time on a single charge. The lightweight 35 g construction ensures a secure, comfortable fit during movement or prolonged use.
Suitable for
Outdoor sports and training
Commuting and travel
Walking or cycling in urban environments
Office use when awareness of surroundings is needed
Everyday leisure and podcasts or calls on the go
Key specifications
Product: 4smarts SoundGlasses Sport 2
Connectivity: Bluetooth 5.3 (A2DP, HFP)
Battery: 120 mAh lithium-ion, ~2 h charge time
Playback/talk time: up to 6 hours (single charge)
Charging: USB-C cable included
Weight: 35 g
Cable length (included): 0.3 m
Design: Semi-rimless, black frame
Audio: Built-in speakers and microphone
Lenses: Photochromic with ISO-certified UV protection
How to use
Put the glasses on and pair them with your device via Bluetooth 5.3 following the pairing instructions in the quick start guide. Use the three side buttons to adjust volume, skip tracks, answer or end calls and activate your voice assistant. Charge the glasses with the supplied USB-C cable until fully charged (about 2 hours) before first use. The photochromic lenses will darken in bright light and return to a lighter tint indoors or in low light.
Usage recommendations
For optimal performance, fully charge the glasses before extended use, keep the lenses clean with a soft cloth, and avoid prolonged exposure to extreme heat. Use open-speaker mode with awareness of traffic and surroundings when near roads or in busy public spaces.

## Specifications

| Feature | Value |
|---|---|
| Built-in microphone | Yes |
| Built-in speaker(s) | Yes |
| Lens colour | Transparent |
| Housing colour | Black |
| Frame colour | Black |
| USB charging | Yes |
| Glasses frame type | Semi rimless |
| Lens polarization | Non-polarized lens |

### Ports & interfaces

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Bluetooth | Yes |
| Bluetooth profiles | SPP, PBAP, HSP, HFP, AVRCP, A2DP |

### Performance

| Feature | Value |
|---|---|
| Cable length | 0.3 m |
| Control type | Buttons |

### Technical details

| Feature | Value |
|---|---|
| Built-in camera | No |
| Warranty period | 2 year(s) |

### Other features

| Feature | Value |
|---|---|
| Voice control | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.035 kg |
| Height | 55 mm |
| Width | 70 mm |
| Depth | 180 mm |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 120 mAh |
| Battery recharge time | 2 h |
| Battery life (max) | 6 h |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB |
| Carrying case | Yes |
| Manual | Yes |

### Logistics data

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

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | CE |

## FAQ

### How much does the Headphones 4smarts SoundGlasses Sport 2 cost, and is it available for purchase?

The price is 32.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 23.07.2026 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. 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: cable length, weight, 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.

### Where can I download the instructions for Headphones 4smarts SoundGlasses Sport 2?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11587144/66694163_large.webp