G-Cord&reg; Wireless Sport Headphones with Bluetooth 4.0 The versatile wireless headphone gives you high-quality audio with freedom from cables almost anywhere. Extremely lightweight earbuds provide excellent wearing comfort without pressing tightly against the ears. Flexible and foldable neckband easily folds into a pocket for travel and storage. Compatible with most Android phones, iPhone, tablets, Bluetooth-enabled computers and all Bluetooth 4.0 enabled devices. 1 year G-cord  Limited Warranty.