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. 3.5mm Headset Jack Connector. Compatible with Phones/Tablets and other devices with standard 3.5mm Headset Jack. 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. WIRED Headset MONO Handsfree Earphone 3.5mm Headphone Boom Microphone Single Earbud [Black]. If you spend a lot of time on your mobile phone, you will really appreciate the comfort of the Fonus headset. Comfortable and lightweight for a comfortable fit, the Fonus features a behind-the-ear design for an excellent fit. Fonus's features make answering your cell phone hands free, fast, safe, and easy! 3.5mm Headset Jack Connector. Compatible with Phones/Tablets and other devices with standard 3.5mm Headset Jack.