Monster N-Tune 300 Wireless Bluetooth Headphones are lightweight and portable headphones designed to offer comfort and mobility. Designed to offer convenience, the headphones provide immersive audio with deep bass and rich treble. The music sounds extremely good and the headphones feel really comfortable in ears. Featuring Bluetooth connectivity, the headphones come with a powerful rechargeable battery. They also come with functional button that allow you to raise or lower the volume, play/pause the track and even answer phone calls.