The Jabra Step Wireless Bluetooth Sport/Running Headphones Earbuds OTE23 are designed for sports and live monitoring, with a double earpiece design in black color. They feature wireless Bluetooth technology and a built-in microphone for hands-free use. These earbuds have a sleek and compact in-ear design, suitable for active lifestyles. The Jabra OTE23 model offers a wireless connectivity option via USB connectors, making them convenient for on-the-go use during workouts or other activities.