Description of host function introduction: 1. 7-inch multi-touch capacitive screen IPS HD resolution display. 2. for Android 11 system. 5G and 2.4G wifi connection 3. Eshare supports remote control of mobile devices, rename Eshare 4. Support HD output and 1080P. 5. Support USB, bluetooth conneciton online radio, music , video playing 4 channel speaker output Support audio input function. Support audio output function. Support subwoofer access. Support the function of network set-top box, and watch online and TV programs at will. Support TF card playback. Support WIFI connection, support wired network cable connection (optional function) Support Android software installation.Not all apps can be installed or used . this device isn't compatible with this version. This is not a device issue, but rather the software app is not compatible with this configurationIf you need to install the app, please consult customer service before placing an order Support infrared remote control. Kindly remind: Please noted that the HDMll of our amplifier is for auido and video output, not audio input. lf you want to make your TV sound on the speaker, you need to connect to the TV's audio out to our wall amplifier at the AUX connection terminal. lf your TV not have the auido out terminal, you need to connect to extra transformer. type: A-B-2G and 32G RJ45 Material: plastic colour: Black Package Contents: 1 x Smart Home Background Music Panel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.