These UPLink Wireless Earbuds are compatible with smartphones, tablets, and electronic devices that use Bluetooth technology. The noise-reduction design is perfect for blocking sounds while enjoying your favorite music, podcasts, videos, and games. The pair of earbuds are connected with a neck strap. There is a small microphone and controller so you can skip and adjust the volume. The lightweight in-ear bud means you can listen comfortably for hours. Great to take to the gym, on runs, for kids to use on road trips, working from home, office zoom calls, and more! Available in assorted colors white, magenta, green, and black. Each pair comes packaged inside a high-quality window box.