AirSep - FreeStyle Comfort Portable O2 Concentrator
Include 2 x 8 cell battery
Size: 10" x 7.3" x 3.1"
Weight: 5lb
Noisy: 43DB
Free Voltage: 100-240
Charging Time: 3.5小時
Time Usage:
Setting 5L - 2 hrs
Setting 2L - 3 hrs
Setting 1L - 8 hrs
Made in USA