The SONY HMZ-T1 is a personal 3D viewer that allows you to enjoy 5.1ch audio via HDMI connection. - Brand: SONY - Model Name: HMZ-T1 - Voltage: 100V - Features: 3D viewing - Connectivity: HDMI - Audio Output: 5.1ch Thank you for looking. I purchased this new, but I'm not using it, so I'm putting it up for sale. I opened the box lid to check the condition and took photos. Thank you.