HELMER Bluetooth Amplifier, Home Stereo Audio System, 3" Video Player in Wall with Touch Key, White, BM200 IntroductionIt's integrated in wall stereo amplifier that you can control by remote control or touch button on device directly. FuctionWith 3" TFT Screen, there is built-in music/video player, adaptable for SD Card/USB/3.5mm jack in. FeaturesIts Bluetooth function allows you to connect directly to your iPhone, iPad, smartphones, etc. You can remote control it playing music. LocalBuilt-in FM radio (87.5-108MHz) offers you more music options. It also can be a clock or a calendar. You can set time to turn on/off the unit. ScenesIt is like a small home theater system, recommended to connect with 2 speakers for stereo sound. You can enjoy your leisure time with your family. It also suitable for office, hotel, etc. 3&#034; TFT Screen(240*400) Power Supply: AC100-240V, 50-60Hz Output Power:2 x 20W @ 4 Input Impedance: 10K Output Impedance: 4, 8 THD:0.03% Frequency response:20Hz-20KHz3DB Extended Memory card up to 32G Bluetooth Transmission Distance:  10M Stereo Amplifier Module (2 x 20W)connect to 2 speakers Bluetooth connectivity for wireless audio input of iPhone, iPad, smartphones, etc 1 x Wired Audio Input (on rear PCB) 1 x Wired Audio Output (on rear PCB) 1 x Wired A/V Output (on rear PCB) format: PAL-720*576 &amp; NTSC-720*540 1 x RS485 connector Music Player Video Player Time Display Infrared remote control 3.5mm Jack in USB and SD card player (at bottom of unit) Screw terminations on the rear of the unit for loudspeakers, power and wired line input Built-in FM radio(87.5-108MHz) Set time to turn on/off the unit Includes in-line power supply