# Gaming headphones Onikuma GT830 by Onikuma, model GT839

**URL:** https://aio.lv/en/product--onikuma-gt839--11657397
**Data updated:** 2026-01-07 17:15 (EET)
**Category:** Headphones
**Manufacturer:** Onikuma
**Manufacturer code:** GT839
**EAN:** 6972470564204
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--onikuma-gt839--11657397

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Onikuma GT830 gaming headphones (model GT839) are wired over-ear headphones designed for gaming and multimedia. They provide a closed-back design for immersive sound and feature an adjustable headband and padded ear cups for extended sessions. Suitable for desktop and console gaming, voice chat, and media playback, they offer practical comfort and reliable connectivity.

## Long description

ONIKUMA GT839 gaming headphones deliver multi-mode connectivity and long battery life for use with PCs, consoles, tablets and smartphones. The headset supports wired connection, Bluetooth 5.4 and a 2.4 GHz wireless mode with included USB-A and USB-C adapters. Lightweight construction and memory-foam earcups provide extended comfort for long sessions while the detachable microphone offers flexible use for multiplayer communication or quiet listening.
Advantages
Multiple connection options (2.4 GHz, Bluetooth 5.4, wired) ensure compatibility with a wide range of devices. The detachable, 360° rotatable microphone allows easy switching between gaming chat and private listening. An 800 mAh battery provides approximately 45 hours of operation and recharges in about 2 hours. At roughly 176 g and with breathable memory-foam earcups, the headphones are designed for comfortable long-term wear.
Key specifications
Manufacturer: ONIKUMA
Model: GT839
Connectivity: 2.4 GHz, Bluetooth, wired
Bluetooth version: 5.4
Transmission range: up to 15 m
Sensitivity: 115±3 dB
Frequency range: 20 Hz – 20 kHz
Driver size: 40 mm
Operating time: approx. 45 h
Charging time: approx. 2 h
Battery capacity: 800 mAh
Impedance: 32Ω±15%
Microphone directionality: omnidirectional
Charging port: USB-C
How to use
Choose the appropriate connection mode for your device: plug the audio cable for wired use, pair via Bluetooth 5.4 from your device settings, or insert the supplied 2.4 GHz USB-A or USB-C adapter into the host device. Attach or remove the detachable microphone as needed; the microphone can be rotated 360° for optimal positioning. Charge the headset with the supplied USB-A to USB-C cable — a full charge takes about 2 hours and provides around 45 hours of playback time. Adjust the headband and earcups for a secure, comfortable fit before use.
Recommendations
For best wireless performance keep the line of sight between the headset and the 2.4 GHz adapter where possible and avoid strong sources of interference. Clean earcups periodically and store the headset in a dry place when not in use.

## FAQ

### How much does the Onikuma GT830 gaming headphones GT839 cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 130 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 01.07.2026 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 Onikuma 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 Onikuma 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

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