Black Wired 3.5mm Behind-The-Ear Corded Mono Headset for Net10, Straight Talk, Tracfone ZTE Prelude - Samsung R375C, S390G - Samsung Galaxy Centura, Ace Style - BLU Life Play, Studio Mini Discreet, behind-the-ear design: provides maximum fit and comfort. Allows for hands-free conversations. Comes in Bulk Package(Non-Retail Package). 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