# Headset A4Tech 2Drumtek B20

**URL:** https://aio.lv/en/product--a4tech-b20-gy--11181551
**Data updated:** 2025-12-30 18:29 (EET)
**Category:** Headphones
**Manufacturer:** A4Tech
**Manufacturer code:** B20-GY
**EAN:** 4711421978446
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--a4tech-b20-gy--11181551

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The A4Tech 2Drumtek B20 is a True Wireless Stereo headset designed for calls and music. With a frequency range of 20 - 20000 Hz and a wireless range of 10 meters, these grey earbuds provide excellent sound quality and convenience. The Bluetooth connectivity ensures easy pairing with devices, making them perfect for on-the-go use.

## Long description

The A4Tech 2Drumtek B20 is a True Wireless Stereo (TWS) in-ear headset designed for music playback and calls. Its hybrid diaphragm combines nano mycelium and carbon fiber to reproduce clear trebles and midrange together with deep bass. Bluetooth v5.2 ensures a stable wireless connection with devices such as PCs, laptops, mobile phones and tablets. The compact aluminum charging case provides additional runtime, bringing total playback up to 20 hours.
Advantages
The hybrid diaphragm delivers balanced sound with emphasized treble and mid frequencies and satisfying low end. Bluetooth 5.2 offers reliable connectivity and compatibility across common devices. Touch controls let you manage playback, calls and voice assistant access without using a paired device. Quick pairing reconnects the earbuds automatically when removed from the case. Each earbud can operate independently for calls or single-ear use, and the IPX4 water resistance protects against sweat and light splashes.
Suitable for
Daily commute and travel
Voice calls and meetings
Exercise and outdoor activities
Casual music listening at home or work
Key specifications
Model: A4Tech 2Drumtek B20 (B20-GY)
Type: True Wireless Stereo (TWS), in-ear
Frequency response: 20 – 20,000 Hz
Connectivity: Bluetooth v5.2
Wireless range: up to 10 meters
Playback time: up to 5 hours per charge; up to 20 hours total with charging case
Water resistance: IPX4
Colour: Grey
How to use
Remove the earbuds from the charging case to power them on and initiate the first pairing with your device; subsequent removals will reconnect automatically. Use the touch-sensitive areas on the earbuds to play or pause music, skip tracks, answer or end calls and activate your device's voice assistant (Siri, Google Assistant, Alexa). Place the earbuds back into the case to recharge them; the case provides additional playtime when charged.
Usage recommendations
Charge the case and earbuds fully before first use. For best audio performance, ensure a secure in-ear fit and keep firmware and device Bluetooth drivers up to date. Avoid submerging the earbuds in water despite their IPX4 rating; clean them gently with a dry cloth and store them in the case when not in use.

## Specifications

### Headphones

| Feature | Value |
|---|---|
| Headphone frequency | 20 - 20000 |
| Headphone sensitivity | 102 dB |
| Impedance | 32 Ω |
| Diaphragm material | Carbon |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | True Wireless Stereo (TWS) |
| Bluetooth version | 5.2 |
| Wireless range | 10 m |
| Bluetooth | Yes |

### Performance

| Feature | Value |
|---|---|
| Product colour | Grey |
| Control type | Touch |
| International Protection (IP) code | IPX4 |
| Wearing style | In-ear |
| Recommended usage | Calls/Music |
| Product type | Headset |
| Colour name | Ash Grey |
| Control unit type | On-ear control unit |

### Other features

| Feature | Value |
|---|---|
| Continuous audio playback time | 5 h |

### Microphone

| Feature | Value |
|---|---|
| Microphone sensitivity | -42 dB |

### Design

| Feature | Value |
|---|---|
| Protection features | Water resistant |

### Weight & dimensions

| Feature | Value |
|---|---|
| Charging case weight | 39 g |
| Left earpiece weight | 4 g |
| Right earpiece weight | 4 g |
| Charging case dimensions (W x D x H) | 63 x 26 x 52 |
| Ear pad dimensions (W x D x H) | 6 x 20 x 34 |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium |
| Battery type | Built-in battery |
| Battery recharge time | 1.5 h |
| Battery operated | Yes |
| Charging source | USB |
| Left earpiece battery capacity | 40 mAh |
| Right earpiece battery capacity | 40 mAh |
| Continuous audio playback time (with charging case) | 20 h |
| Battery recharge time (charging case) | 1.5 h |
| Battery technology (charging case) | Lithium |
| Battery capacity (charging case) | 380 mAh |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | USB Type-A to USB Type-C |
| Charging case | Yes |

## FAQ

### How much does the Headset A4Tech 2Drumtek B20 cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 29.06.2026 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 A4Tech 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 A4Tech 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: connectivity technology, product colour, wearing style, 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 Headset A4Tech 2Drumtek B20?

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/11181551/62233185_large.webp