Peace be upon you. I am offering for sale an Attack Shark X3 Pro mouse, used for a few days, and everything is new, guaranteed. The mouse supports 4K and 8K. Also, the DAC is from the company Mono, known in the audio field. The DAC has features (sound isolation, recording, or a feature that reduces music volume when you speak, changes your voice, and controls the volume of headphones and microphone, gain, and echo. It also has Bluetooth. Selling to the highest bidder for serious buyers only. Please do not undervalue, and I will be considerate.)