Portable Oxygen Device for Traveling & Driving & RV living Health Use

-Our device can be used in home & office & driving & travel; --Connect to an outlet via power adapter for home and office use; --Connect to car cigar lighter for driving use; --Connect to "rechargeable 12V, 3A output bank" for travel use (Purchase separately).

·The device is portable light weight design. The dimension is 11.0 in* 8.0 in* 7.5 in; The weight is only 4.2 Lb. Suitable for family, travel and car use. The noise Less than 48 dB, will not affect sleeping.

·Negative ion function - can use it more comfortable

·One year warranty - We offer 30 days free return and exchange, one year warranty. So you can buy our machine with confidence.