Small?? discreet design incorporating microPOWER technology.Ultimate Comfort Eargel for a secure fit</br>Wind Noise Blackout and HD Voice for crystal clear sound at both ends of phone calls</br>Easy pairing to smartphones and other devices with NFC?? as well as Multiuse to pair to 2 devices at the same time</br>9 hours of talk time and an energy-saving PowerNap function</br>FAQ's: http://www.jabra.com/support/jabra-storm