List of products by brand Jertech

-Model#: HG01 -Interface: 2 Jack 3.5mm and usb-Cable Length: 2.1 meter-Microphone: yes-Special feature: Built-in volume control, advanced surround sound technology

-Model#: G503 -Interface: 1 3.5mm Jack-Cable Length: 2.2 meter-Microphone: yes-Special feature: Built-in volume control