Premium Behind-The-Ear WIRED Hands-free Boom Headset MONO Headphone Single Earphone with Microphone for Boost Mobile Samsung Galaxy S5, Boost Mobile Samsung Seek M350, Boost Mobile Sharp Aquos Crystal, Boost Mobile ZTE Force, Boost Mobile ZTE MAX FONUS(TM) Behind-The-Ear Mono Headset. Discreet, behind-the-ear design: provides maximum fit and comfort. Allows for hands-free conversations. Contemporary style: complements modern cell phone designs. Pivot for use in either ear. Flexible discreet, behind-the-ear design for ultimate comfort. One-touch answer/end button (if supported by your phone). Miniature clothing clip: to keep the cord in place. High-sensitivity speaker optimizes volume and enhances sound quality. Wind noise reduction: provides noise cancellation and optimal voice pick-up. - Compatible with most cell phones with 3.5mm headset port. Might ship in bulk packaging.