For best deals visit our website.. www.sastogadgets.com Digital signal processing (DSP) algorithm to enhance the sound quality. Bluetooth 5.0 technology for wireless connectivity with smartphones, tablets, or computers. Built-in rechargeable battery providing up to 6 hours of continuous use. Compatible with a variety of audio and video apps. Compact and lightweight design with a sturdy metal body for durability and portability.Comes with a carrying pouch for extra protection.