VSonic GR01 Pro balanced iron drive noise Isolation Earphones Earbuds IEMs with 15 eartips Latest Release in their consecutive G series of earbuds from VSonic Best possible sound quality available on market with the latest technology truly astounds all listeners Audiophile-grade, HI-FI components yield pristine tone and amazing volume Suited for a variety of music styles; from Bach to back-beat, they cover all Functions as both an In Ear Monitor (for performing/recording), an everyday listening device, or a studio reference tool (for hot headphone outputs)