This dual ear headset to allows the freedom of hearing beyond your telephone or laptop when in use. The Bluetooth connector provides wireless use and freedom while listening and talking. This headset is compatible with any Bluetooth -capable device such as laptops, desktops, Bluetooth-compatible phones or tablets. There is a charging base included to charge the headset while not in use. Talk time is 26 hours and it can be used up to 33 feet from the base. The microphone boom is 180° adjustable for right or left ear headset use, high fidelity and noise canceling. Included on the headset is a controller for mute, volume up and volume down. No cord means freedom at the desk or home while in use! Plug-and-play, no software required. USB dongle can be utilized for machines that are not Bluetooth compatible (sold separately).