Featuring IPX6 waterproof construction that also stands up to temperatures as low as -4F, the Rhinos Wireless Headphones keep quality sound comin even in the harshest of conditions. 40mm drivers produce a full range of sound so they sound great whether youre listening to ear-piercing opera or bass-thumping hip hop and everything in between. Built-in microphone lets you take phone calls, and a walkie-talkie function allows you to communicate with your buddies who are also using Rhino headphones. Easy-to-use external controls for volume, track skip, play and pause. Color: Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Black. Type: Headphones.