Vehicle Carried Portable Oxygen Concentrator with Built-in Battery for Road-Trip or Travel Long-Lasting 3 Hours Without Charge

Vehicle Carried Portable Oxygen Concentrator with Built-in Battery for Road-Trip or Travel Long-Lasting 3 Hours Without Charge. Long Battery Runtime: Built-in battery provides up to 3 hours of continuous operation without charging. Adjustable Oxygen Flow: Flow rate can be adjusted between 1L and 3L to meet different needs. Comprehensive Safety Certifications: Certified with ISO13485 and CE standards for medical safety. Smart Remote Control: Equipped with remote control functionality for convenient operation. Voice Broadcast Feature: Includes voice broadcast to assist users with operation status. Timed Shutdown Function: Features automatic timed shutdown for enhanced safety and convenience.