[Shocking Sound Effects]Two 40MM big speakers and subwoofer diaphragm silver bright and undistorted explosive power to meet your ears pursuit of sound quality. [Various Playback Methods] Support Bluetooth wireless playback, card playback, audio cable playback, [Super Clear LED Display] Large LED screen display, time and content at a glance, supports three different. Flexible adjustment. Room temperature (° C or ° F) shows alarm, battery is clearly visible,This number is large enough and easy to see.