Products tagged with 'sobo multi-purpose miniature ac and dc oxygen pump'

• One-touch switch design with microcomputer control;
• Wide operating voltage, up to 120V-240V, and 50Hz/60Hz compatible;
• The use of authentic lithium batteries, and there is overvoltage, undervoltage charge and discharge protection, to ensure that the battery will not be damaged due to excessive charge and discharge;
• Large gas volume, 3 times that of ordinary miniature AC/DC aerobic pumps;
• Ultra-quiet design, working noise is about 65db.