● Oxygen flow is adjustable 1 – 6L / min

● Negative ion function: 6 million / cc

● Timing function: up to 180 minutes

● Oxygen concentration can reach 30 – 90 percent

● Double protection for your safety with sleep function and automatic power-off protection

● Remote infrared remote control function for easier use

● Support double oxygen absorption function, two people can use at the same time, do not affect each other

● Touch the button screen function, the operation is more convenient

● Oxygen accumulation time function

● Oxygen concentration real-time monitoring function

● Can meet 3000 hours of continuous supply

● Remote control battery: 2 x AAA（not include）