Upgraded Version: High-sensitivity remote control and.deep bass, improved power (Up to 100W).Powerful bass and crystal-clear sound for all your movies, music and TV shows. Fit for 40Inch--65Inch Smart TV. 40 Inches TV Sound Bar: Built-in 4 full range speakers and 2 tweeters speakers(total 100Watt) enjoy 105 dB of room filling,and built-in 2 bass reflex tubes, adds rich bass to your TV. Wireless Bluetooth 5.0 Transmission: Bluetooth wireless transmission technology, strong anti-interference, lossless audio transmission, 360-degree sound, let you have a high-quality home audio system. DSP Technology and Multiple Interfaces: This technology let you have three choices for sound effects: news, movie and music modes. Included Optical,HDMI—ARC, Aux in and USB, Bluetooth inputs. Service: Lifetime technical support, any questions, please feel free to contact us