* Loud 40" TV Sound Bar: built-in 4x 15w full range speakers and 2x 10w tweeters speakers(total 80w) enjoy 105 dB of room filling, expansive audio and crystal-clear sound; built-in 2x bass reflex tubes, adds rich bass to your movies, TV shows, videos, and music. * Wired and Wireless: pair via Bluetooth 4.0 from up to 33 ft, lets you enjoy high-quality audio and lose wires; or choose wired connection including RCA/USB/optical inputs, what's more, optical/RCA cables provided. * 3D Surround Sound System: designed with DSP Technology for amazing clarity and precision, it brings you an upgrading fantastic home theater experience, support movie/news/music sound modes. * Simple operation and installation: buttons or remote control for convenient audio volume, input and modes control (can not compatible with TV and universal remote); mount kit provided, you can mount it on the wall or place it on the cabinet. * 100% satisfaction service: one year warranty, 45 days money back guarantee, lifetime technical support, any questions, please feel free to contact us via Amazon message or find our contact on the service card.