Lischwert Portable 3L/Min MINI Portable Oxygen Generator-Tube for Travel Use 3.3𝑙𝑏𝑠 OX-machine ÇoncentraTOR For Breathing Lightweight For Travel&Home 3L/ H91

3L Portable ox Machine suitable for Home/Travel use A power cable and car cable add more options for a longer use Compact and lightweight, weighing only 3.3 pounds, easy to carry with one hand User-Friendly: Easy to operate with clear display, voice prompts, and complete accessories. Customizable duration with 4 levels of auto shutdown timers.Includes a bag for carrying Operating Noise: ≦52dB Product Size: 25 (H) * 11 (L) *10 (W) cm/9.3 (H) * 6 (L) * 9 (W) in Net weight: 5kg/3lb Customizable duration with 4 levels of auto shutdown timers Operates quietly at under 52dB, ensuring a peaceful oxygen supply environment