For a regular power rack, these are just too far apart to be able to do tricep dips in any kind of comfortable way. - Theres a buzzing noise like interference that comes through the headset, similar to when you would leave a cell phone next to a speaker and the speaker would start spazzing out when a call or text would come in. Aun no los estreno pero creo que van a ser muy buenos para la playa These run super small. And so not exactly waterproof, but wont soak up a lot of water either like neoprene. Instead of yelling into my laptop for people to hear me. It has button to open MS Teams, which is useless since if you use Teams a lot is will already be open. I have never seen isolation this good, just make sure you get a tight fit. It will pick up your neighbors dog barking and people talking a few rooms away. for special occasions