Enhance your hearing the hear control on the xcor allows you to hear what's happening around you while protecting your hearing! Protect your hearing the digital hearing protection on the xcor compresses loud noises rather than shuts them out/off. this allows you to hear all sounds around you, while the automatic compression protects against loud gunfire or other damaging noises over 85db. Listen to music the bluetooth audio allows you to connect to your devices so you can enjoy your music and shows wherever you go to make this your go-to set of earbuds! Answer calls this allows you to connect your phone to your earbuds so you never miss a call or text! these can even be paired with some bluetooth-capable radios for 2-way communication. 19-29 db snr (depending on the ear tip style; foam provides more) Usb-c charging Water & dust resistant Wind resistant 5.2 bluetooth Battery life Up to 12 hours hear control only Up to 6 hours bt audio only Up to 4 hours ? hear control and bt simultaneously