The Oxlife Liberty 2 backpack provides you with a true hands free experience to further enhance your mobility. It disperses the weight of the concentrator onto both of your shoulders for a more comfortable fit, and you can adjust the backpack straps for a precise fit. The durable fabric helps to protect your unit from minor bumps and scratches and ensures your POC stays properly ventilated to prevent it from overheating, while the padded backing ensures a comfortable fit for as long as you are wearing it. Both the control panel and the cannula port are easily accessible while the backpack is in use.