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header-product Headphone DELTACO HL-21
6.99 €

Headphone DELTACO HL-21

Headphone DELTACO HL-21 Photo 1
Headphone DELTACO HL-21 Photo 2
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Headphone DELTACO HL-21 Photo 4
Headphone DELTACO HL-21 Photo 1
Headphone DELTACO HL-21 Photo 2
Headphone DELTACO HL-21 Photo 3
Headphone DELTACO HL-21 Photo 4
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Headphone DELTACO HL-21

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Headphone DELTACO HL-21

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Short description

The DELTACO HL-21 headphones feature a sleek black design and come with a built-in microphone for hands-free calls. With comfortable ear pads and adjustable headband, they provide a snug fit for extended listening sessions. The headphones are compatible with various devices, making them versatile for music, gaming, or calls. Enjoy clear sound quality and convenience with the DELTACO HL-21.
Available for order: 866 pcs.
Warranty: 2 Years
SKU: 4104555
Manufacturer: Streetz
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
21.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
24.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
24.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Together cheaper
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Product information

Description

DELTACO HL-21 stereo headset in black with 30 mm drivers and a built-in microphone. The headset connects via a 3.5 mm 4‑pole mini jack and has an approximately 2 m cable. Specifications include 32 Ω impedance, 108 dB SPL sensitivity and a frequency response of 20 Hz–20 kHz for the headphones; the microphone has an impedance of 2.2 Ω and a frequency response of 30 Hz–16 kHz.

Advantages

The DELTACO HL-21 provides clear stereo sound from 30 mm drivers, a long cable for flexible use and an integrated microphone for hands-free communication. Lightweight construction with adjustable headband and soft ear pads supports extended wear.

Suitable for

  • Listening to music on phones, tablets and laptops
  • Voice and video calls
  • Casual gaming
  • Online meetings and remote work

Key specifications

  • Driver size: 30 mm
  • Impedance (headphones): 32 Ω
  • Sensitivity (SPL): 108 dB
  • Frequency response (headphones): 20 Hz–20 kHz
  • Microphone impedance: 2.2 Ω
  • Microphone frequency response: 30 Hz–16 kHz
  • Connector: 3.5 mm mini jack (4‑pole)
  • Cable length: approx. 2 m

How to use

Plug the 3.5 mm 4‑pole connector into a compatible device socket. Adjust the headband for a comfortable fit and position the ear cups over your ears. For voice calls, ensure the microphone is positioned close to your mouth. Use the connected device’s audio settings to adjust volume and input/output selection.

Usage recommendations

Use with devices that support a 4‑pole 3.5 mm connector for both audio and microphone functionality; if your device has separate headphone and microphone jacks or requires an adapter, use an appropriate splitter or adapter.

Description

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Customer reviews

Customer questions

FAQ

How much does the Headphone DELTACO HL-21 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 866 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 21.07.2026 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 Streetz 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 Streetz 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.