Endurance Training Respirator quantity:1PC Headphone output source: portable audio

Headphone output source: portable audio and video

5 mm Pull value 10~15lb

Use time: 6~8h

Hip trainer X1

We are mainly manufacturing all kinds of gym equipment

Endurance Training Respirator quantity:1PC Headphone output source: portable audioOverview: Vital capacity: it helps to expand and improve vital capacity without the risk of having to do a lot of aerobic exercise and burning calories. The portable device: The adventure lung breathing training instrument is very compact. Easy to carry. Breathing exercise equipment to challenge yourself for better exercise and improve overall endurance. The adjustable resistance dial makes the simplest task more difficult and can exercise more