SKULLCANDY Headphone Set USB-C In-Ear Black. Sweat-resistant earbuds with a secure-fit that give you music that you can feel. USB-C Connector, IPX4 Sweat and Water Resistant, Noise Isolating, Microphone, Call and Track Control, Skullcandy headphones are custom-tuned to deliver music you can feel in and out of the office. What's Included, Set In-Ear Earbuds, Ear Gels (S, M), User Guide.