The Bose TV Speaker helps you hear your TV better. Its a small sound bar that clarifies speech and improves overall TV sound. Inside the TV speaker there are two full-range drivers angled to deliver wide. spacious sound and a center tweeter specifically focused on elevating vocals. Built-in Dolby decoding helps further enhance this compact TV speakers audio capabilities to deliver a more realistic and satisfying listening experience. Designed with simplicity in mind. this small soundbar only uses a single connection to the TV via an optical audio cable (included) or an HDMI cable (sold separately) and has you up and running in minutes. At just over 2″ tall. the Bose TV Speaker is a compact sound bar that can be placed just about anywhere. And small LED lights on the front of this small soundbar turn on and/or change color for visual confirmation when certain features are enabled. They also blink in acknowledgement of volume changes. The Bose TV Speaker has HDMI-CEC. which allows the TV and this small soundbar to communicate when connected with an HDMI cable. Meaning when you turn the TV on. the TV speaker will automatically turn on too. With this technology. you can even keep using your current TV remote to control the volume of this compact soundbar. However. the Bose TV Speaker comes with its own remote. And on it. you can enable dialogue mode on the TV speaker to elevate vocals even more or press the bass button for some extra depth. This compact soundbar also is a Bluetooth soundbar. Simply press the Bluetooth button on the remote to pair your device to this Bluetooth TV speaker and wirelessly stream your favorite music or podcasts. You can also expand your system at any time by adding a wired subwoofer to the Bluetooth TV speaker for a more home-theater-like experience. The Bose TV Speaker is compatible with the Bose Bass Module 500 and 700 and requires the Bose Bass Module Connection Cable or a standard 3.5 mm audio cable. sold separately.