Dual Battery Small 3L Portable Oxygen Machine with Accessories and Blue Bag -Travel/Home Use Oxygen Concentrator 33% Lightweight Oxygen-generator Device(Battery:2500mAh)

Features

• The machine can be powered by batteries.The battery can be used for about 1.5-2 hours(2500mAh)when fully charged.Suitable for outdoor activities,car journeys and more
• You can also customize your oxygen inhalation with the built-in auto-shutdown timer
• Equipped with a complete set of accessories. Its built-in handle ensures easy carrying while a bag is included for storage and portability
• You can also customize your oxygen inhalation with the built-in auto-shutdown timer featuring 4 options (20、40、60,120 minutes)