The Aftershokz OpenComm Bluetooth Wireless Headset in Black (ASC100) is a sleek and stylish neckband-style headset with a double earpiece design. With wireless Bluetooth technology, it allows for easy connectivity to your devices. It features a built-in on/off switch, stereo sound, active noise cancellation, water resistance, and a rechargeable battery. The headset also includes an adjustable headband, volume control, and a boom microphone for hands-free calling and music. Perfect for those who value both style and functionality in their headphones.