# usams wired stereo headphones EP-39 HSEP3901 — 3.5 mm jack, black

**URL:** https://aio.lv/en/product--usams-hsep3901--10622944
**Data updated:** 2026-03-07 17:55 (EET)
**Category:** Headphones
**Manufacturer:** usams
**Manufacturer code:** HSEP3901
**EAN:** 6958444983844
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--usams-hsep3901--10622944

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Wired stereo headphones usams EP-39 (model HSEP3901) with a standard 3.5 mm jack and black finish. Designed for audio playback on smartphones, laptops, tablets and audio players with a 3.5 mm port. Offers stereo sound via a wired connection, inline control if present, and a compact, travel-friendly design for everyday listening and calls.

## Long description

Wired stereo headphones usams EP-39 (model HSEP3901) feature a 3.5 mm jack and a black finish. These in-ear corded headsets are designed for wired audio playback on smartphones, laptops, tablets and portable audio players with a standard 3.5 mm port. The silicone in-ear design and 10 mm drivers deliver a compact listening solution with a frequency response covering 20 Hz–20 kHz for general-purpose music and voice reproduction, while the integrated microphone supports clearer calls.
Advantages
The EP-39 provides Hi‑Fi style stereo sound with 101 dB speaker sensitivity and a 32 Ω impedance for reliable acoustic performance across common devices. A selected TPE cable with 1.2 m length improves durability and mobility for everyday use. The silicone ear tips offer a secure and comfortable fit, and a one-button inline control simplifies call handling and basic playback functions. The construction uses PC and TPE materials for a balance of light weight and resilience.
Suitable for
 Listening to music on smartphones, tablets and laptops with a 3.5 mm audio jack
 Making and receiving voice calls with the inline microphone
 Portable use during commuting, travel or office work
 Connecting to MP3 players and other legacy audio devices with 3.5 mm output
Key specifications
 Connector: 3.5 mm jack
 Cable length: 1.2 m (TPE)
 Driver diameter: 10 mm
 Frequency response: 20 Hz – 20 kHz
 Speaker sensitivity: 101 dB
 Impedance: 32 Ω
 Microphone sensitivity: -48 ± 3 dB
 Housing/materials: PC + TPE with silicone ear tips
How to use
Insert the 3.5 mm jack into the audio port of your smartphone, tablet, laptop or player. Choose the silicone ear tips that provide the best fit and insert the earbuds gently into your ear canals. Use the inline one-button control to answer or end calls and to perform basic playback actions if supported by your device. Keep the cable untangled and avoid sharp bends to maintain long-term cable integrity.
Usage recommendations
For optimal sound and comfort, select the ear tip size that creates a comfortable seal; this improves bass response and passive noise isolation. Avoid exposing the headset to moisture or extreme temperatures, and store it in a protective pouch when not in use to extend service life.

## FAQ

### How much does the usams EP-39 wired stereo headphones HSEP3901 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 167 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 07.07.2026 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 usams 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 usams 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/10622944/54156902_large.webp