It probably wont do you too good if you only have $30 headphones. And I keep my Plantronics charged and with me as a back up. spring rebounder trial and error. Ottima calzata, calde, comode e la suola ha un discreto antiscivolo. spring rebounder These fit just right for their size, HOWEVER if you wear any larger than that I would pass. spring rebounder Very happy overall. When I got them they were pretty much full charged and it took a week (i repeat, A WEEK! Otherwise its a fine unit. spring rebounder Sturdy and with an arch to alleviate back strain. The product is fine and its as expected.
spring rebounder