# TWS earphones SWISSTEN SONIC 54400210 Bluetooth True Wireless Stereo, in-ear, charging case

**URL:** https://aio.lv/en/product--swissten-54400210--11192527
**Data updated:** 2025-12-04 17:58 (EET)
**Category:** Audio & Video Cables
**Manufacturer:** SWISSTEN
**Manufacturer code:** 54400210
**EAN:** 8595217488281
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--swissten-54400210--11192527

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

SWISSTEN SONIC 54400210 are True Wireless Stereo (TWS) earphones with Bluetooth connectivity, designed for wireless audio playback and hands-free calls. The in-ear buds come with a portable charging case for on-the-go recharging. Suitable for everyday use, commuting, workouts and remote calls, they offer cable-free convenience and compact storage.

## Long description

SWISSTEN SONIC 54400210 are compact True Wireless Stereo (TWS) in-ear earphones with Bluetooth connectivity and a portable charging case. Designed for everyday listening, these earphones provide wireless audio playback and hands-free calling with a lightweight design and a 230 mAh charging case that extends playback time.
Advantages
Small in-ear form factor that stays comfortable and unobtrusive during daily use. Clear, full-range sound reproduction across the 20 Hz–20 kHz band. Portable and elegant charging case with 230 mAh capacity for extended on-the-go power. USB-C charging for quick and convenient recharging.
Suitable for
Commuting and travel
Gym and workouts
Everyday music and podcast listening
Hands-free calls and remote meetings
Key specifications
Bluetooth version: 5.3
Bluetooth range: \< 10 m
Frequency response: 20 Hz – 20 kHz
Earphone battery: 2 × 30 mAh
Charging case battery: 230 mAh
Battery life (earphones): up to 6 hours (80% volume)
Calling time: up to 3.5 hours (80% volume)
Total battery life with case: up to 35 hours
Charging time: 2 hours
Charging port: USB-C
Input: 5V DC 1A / Max. 5W
Weight: 37 g
How to use
Open the charging case to power on the earphones and enable Bluetooth pairing mode, then select “SWISSTEN SONIC 54400210” in your device’s Bluetooth settings. Insert the in-ear buds into your ears and adjust for a secure fit. Use the touch or button controls on the earphones to play/pause audio, skip tracks, or answer calls. Place the earphones back into the charging case to recharge them; the case recharges via the USB-C cable included in the package.
Usage recommendations
Charge the case fully before first use and keep the firmware of your phone or player up to date for best compatibility. For optimal sound and battery life, avoid exposing the earphones and case to extreme temperatures and moisture. Use the included USB-A to USB-C cable for charging and disconnect once charging is complete.

## FAQ

### How much does the TWS earphones SWISSTEN SONIC 54400210 Bluetooth cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 Monday 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: Cash payment, 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 SWISSTEN 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 SWISSTEN 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/11192527/61967824_large.webp