Important If you choose Bluetooth version, then speakerphone with Bluetooth available. If you don't know how to connect by Bluetooth, please email us. But if you don't choose Bluetooth version, it can't connect by Bluetooth. How to connect Bluetooth? Plug in the USB cable, then press the button in the middle of the speaker, it will change to Buetooth or AUX mode, in Bluetooth mode, open your phone Bluetooth and search the speaker for the link. Or you can contact our customer service, leave us a message and your email address, we can send the video to you. TV Soundbar With the built-in subwoofer; provides powerful bass, improves home audio systems, ideal for small environments, suitable for Bluetooth TVs including Samsung, Vizio, TCL, LG, Sharp, Philips, Sony, xiaomi and more many other TVs and phones. 2.1 channel soundbar With 2x3W full range speakers, surround sound output for all your movies, music and TV shows. TV, Enjoy 97 dB of room-filling, crystal-clear sound with less than 1% total harmonic distortion. Independent volume control Turn the knob to control the volume, esay to operate. Bluetooth 5.0 + 3.5mm AUX Designed with DSP technology, supports 2 playback modes including Bluetooth, AUX Line in. Wired and wirelessSupport Bluetooth 5.0 wireless, optical power cable and AUX cable for wired connection Powered by USB With USB cable to power the speaker, no need to charge, just plug and play Specification Material: ABS + metal meshBluetooth Version: V5.0 Speaker: 50mm 43W*2 Package List 1*Speaker 1*User Manual 1*Box packing