In ear headphones wireless headphones series yurbuds inspire yurbuds ironman type of fitting in ear transmission modes wired cordless features sweat proof interchangeble earpads microphone splashproof headset compatible with ios frequency response 20 20000 hz driver 15 mm number of drivers 2 operating time 6 h types of cable kevlar braided fabric double sided jack 35 mm jack shape straight number of keys 3 colour black earpiece colour blac