4L Portable Smart Oxygen Concentrator with 10 Hours Working Battery
Product Description This is a 4L/m mini oxygen concentrator with a stand alone rechargeable lithium battery that can lasts up to 10 hours when charged fully This oxygen concentrator is very light(weighs only 2lbs), portable, low noise and very easy to operate. GREAT FOR USE OUTDOORS USING THE RECHARGEABLE LITHIUM BATTERY USE IN THE CAR USING THE CAR ADAPTER Features Flow Rate: 4L/m Concentration(Oxygen Purity): 30%±2% Size: 6.4inches x 4.72 inches x 2.9 inches Weight: 2.2lbs Power Consumption: ≤30W； Noise: ≤5 0 d B Package Contains: Shipping Shipping Time: 6-7 days We process orders between Monday and Friday. Orders will be processed within 1-3 business days of ordering and shipped out the next day after the processing day. We don't ship on weekends. Our Guarantee:We truly believe we have some of the best products in the world and we want to make sure we back that up with a risk free ironclad 30 day guarantee.If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.Buying items online can be a daunting task, so we want you to realize that there is absolute zero risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right.We have a business phone number you can text for quick response and a 24/7/365 Ticket and Email support. Please contact us if you need assistance. FREQUENTLY ASKED QUESTIONS Question: What is the weight of the oxygen concentrator? Answer: 2.2lbs Question: How long does the battery last? Answer: 8-10 hours when the battery is fully charged Question: What is the warranty on the oxygen concentrator? Answer: There is an 18 months warranty on the machine which covers free spare parts and technical guidance on any issues Question: What is the return policy? Answer: You can return items for a full refund for up to 30 days after receipt of the device. We will send you a return shipping label to you to drop off the device at UPS. If you receive a faulty device, we replace for free at no cost to you