The suction on this device is very strong. I first used it on my upper back and it was almost too strong during treatment, but my shoulders felt great afterwards. I used this on my calves after a workout. Before using it on my calves, my muscles were so tight that I hobbled everywhere. Getting up after sitting for any length of period really hurt; my muscles were cramped for days. I put this on my calf and immediately felt relief. I used this on both my calves two days in a row and and by the third day all the pain was gone completely. I keep this device charged up and ready for any aches now. It's great to have on standby when my muscles tighten and simple massage doesn't do much.

excellent, works great

Getting it to work was really simple. It only took a few seconds to turn the valve and find the right resistance for me. I followed the training exercises on the instructions that are included which was a great plus.

I use it every morning before I start my day. I can already tell I am taking fuller, deeper breaths. My workouts don't hurt my lungs as much as they used to. Thanks Lumnae!

I was gassing out doing jiu-jitsu and too lazy to do cardio (just being honest). Bought this and am blown away by how much better my ability is to breath deeper. It 100% increased my lung strength and capacity. 10/10

can't beat the price and functions, not as powerful as others I have but it does the work when your muscle aches, will buy more!

Nice

As seen in the photo.

Bought it to assist with breathing strength and endurance. Feels like it is made from quality silicone material. It’s soft and durable in my mouth. The resistance levels can be adjusted, and I’ve started at the beginner’s level to increase my lung capacity. After a few days of usage, I am noticing a significant change in my breathing. During my workouts, I have better breath control and, with regular usage, increased lung capacity. Very easy to use and fits comfortably in my mouth. Also, it’s easy to clean and made with non-porous silicone, which doesn’t harbor bacteria and can be thoroughly cleaned with soap and water. Definitely a reliable and effective way to enhance your respiratory health.

perfect

Top product. Is already the second I buy. The seller was honest and delivered the product intact. Besides arriving very quickly...

Excellent quality, super portable respiratory trainer can go anywhere you go, and improve your lung function & capacity.
Very nicely made with a soft, silicone rubber mouthpiece (easy to clean) and a dial adjuster. This unit is super easy, and very quiet to take with you. Unlike others that feature plastic, or steel balls this will not rattle when you move.
Easy & intuitive to operate you can work on lung health, repair, and improve capacity all with this one tool.

I was skeptical initially but after about a week of using it during my runs and throughout my workouts I noticed a huge change in my breathing and endurance. It helped me learn how to maximize my breathing while reducing fatigue. I would recommend this product!!!!!!

Wasnt too sure about it, but this thing is really interesting! You can feel and adjust the pressure it takes to inhale and exhale!! It is quite a workout! A bit uncomfortable at first, the feeling that you're not getting enough air, but after a little bit it gets easier. Very interesting product!

I like it I go jogging ?? make it eazy way breathe and exercise to

I was having some breathing issues and started using this product it definitely helps break up flem from my lungs definitely worth the price