Specifications:

Connector: 3.5mm + USB

Speaker impedance: 32Ω±15%

Speaker sensitivity: 115±3dB

Speaker-rated power: 10-15mW

Speaker frequency response: 20-20KHZ

Microphone size: 6.0 x 2.7mm

Microphone type: Omnidirectional

Features:

Key features:

 - Reliable steel frame

 - Memory foam ear cushions

 - Adjustable and comfortable

 - 7.1 Surround Sound

 - Matches platform PC, PS4/3, Xbox One X/Series X, NS, switch or mobile devices

Precisely clear audio:

Enjoy the real clear and lossless sound quality with 7.1 Surround-Sound technology, creating a field of immersion wherever in the game field, listening to a live concert, or in a chatroom chat room. The 50mm drivers offer a wider frequency range, richer sound fields, higher definition, and extreme fidelity sound.

Adjustable and comfortable:

Its free-adjustable headband with a lightweight durable made steel frame will free your head from extra burdens when gaming or listening to music. The finest leatherette with premium memory foam filler enables your ear to breathe and keep them dry and cool. No need to worry, even after hours of wear you feel nothing but comfort.

All in control:

The Redragon H520 boasts independent line control with sound volume +/-, on/off, and microphone on/off. 7.1-Channel Surround Sound (under software running), and microphone on/off status are monitored on the USB cable panel.

Talk it like you hear it: 

Not only can you hear lossless sound but you can talk it out. The detachable 4mm-thick foam-wrapped microphone will surely offer you the clearest communication between teammates or friends, no more distorted sound, and boomed microphone cases.

For all platforms:

With a 3.5mm braided cable, microphone/audio splitter cable, and an extra control box USB cable. Styled to match any platform you use, whether PC, PS4/3, Xbox One X/Series X, NS (Some models like S in the old version might need an adapter, adapter NOT included), switch, or mobile devices.

What's inside the box:

1 x Redragon H520 headphones

1 x Detachable microphone

1 x In-line control USB cable

1 x "Y" (3.5mm) splitter cable

1 x Case protector