Jaybird wireless headphones help you survive in the gym, enjoy the cold days on the ski slope and relax on the beach on the weekend. These hands-free headphones connect wirelessly via Bluetooth and play your songs very loudly thanks to a frequency response of 20 Hz-20KHz, which is ideal for your active lifestyle. A silicone carrying case stores your headphones comfortably while you travel, and the USB charging cable helps you to operate for up to eight hours. Features: Driver: 0.24 inches. Frequ