About this item

• HIGH-QUALITY MATERIAL: The trainer is made of high-quality material, no peculiar smell, more peace of mind to use.
• PACKAGE CONTENT: Include a standard trainer and an advanced trainer, one set meets all your exercise needs from 700+70cc/sec to 1900+190cc/sec
• EASY TO CLEAN: The tube and mouthpiece are easy to disassemble for cleaning, and the stable bottom is more durable
• CLEANER AND HYGIENIC: The breathing exercise device has a built-in filter cotton, which makes your inhalation cleaner
• INSIST ON USING: Exercise for 3-5 minutes every day, and keep on exercising to get better effect.