# QOLTEC USB-C to 3.5mm Adapter 10 cm — audio adapter for phones and laptops

**URL:** https://aio.lv/en/product--qoltec-51786--11506966
**Data updated:** 2026-02-15 12:43 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** QOLTEC
**Manufacturer code:** 51786
**EAN:** 5901878517865
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51786--11506966

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Compact QOLTEC USB-C to 3.5mm adapter, 10 cm cable length, provides a wired audio connection for smartphones, tablets and laptops without a headphone jack. Converts USB-C digital output to an analog 3.5 mm TRS port for headphones, earphones or auxiliary input. Useful for calls, music and in-car audio; plug-and-play operation without extra drivers.

## Long description

The QOLTEC USB-C to 3.5mm Adapter 10 cm provides a compact wired audio connection for smartphones, tablets and laptops that lack a dedicated headphone jack. This adapter converts the USB-C digital audio output to an analog 3.5 mm TRS port, allowing standard headphones, earphones or auxiliary inputs to be used for calls, music playback and in-car audio. The short 10 cm cable keeps the connection neat and close to the device, and the adapter works via plug-and-play without requiring additional drivers.
Advantages
The adapter offers straightforward compatibility with USB-C devices that support audio output, enabling headset and speaker use through a 3.5 mm connection. Its compact size and flexible 10 cm cable minimize bulk while maintaining a stable physical connection. As a passive plug-and-play accessory, it provides immediate audio routing for voice calls and media playback without software installation. The simple construction ensures broad compatibility with a wide range of wired audio accessories that use the TRS 3.5 mm standard.
Suitable for
Smartphones and tablets without a 3.5 mm headphone jack
Laptops with USB-C audio output but no analog audio port
Wired headphones, earphones and headsets with 3.5 mm TRS plugs
Car audio systems or portable speakers with a 3.5 mm auxiliary input
Key specifications
Cable length: 10 cm
Input connector: USB-C (male)
Output connector: 3.5 mm TRS (female)
Function: digital-to-analog audio conversion for device audio output
Compatibility: plug-and-play with devices supporting USB-C audio output
How to use
Insert the USB-C plug into the USB-C port of your smartphone, tablet or laptop. Connect your headphones, earphones or auxiliary cable to the 3.5 mm port on the adapter. The device should recognise the adapter automatically and route audio through the connected analogue headset or speaker. For voice calls and media playback, adjust the device volume as required. Disconnect by removing the USB-C plug when finished.
Usage recommendations
Use the adapter with compatible devices that support USB-C audio output. Avoid excessive bending at the cable ends and store the adapter in a pocket or small case to protect the connectors. For optimal audio performance, use headphones and cables in good condition and set device volume to moderate levels to prevent distortion.

## FAQ

### How much does the QOLTEC USB-C to 3.5mm Adapter 10 cm cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 28.07.2026 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 QOLTEC 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 QOLTEC 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/11506966/66523014_large.webp