This media player is protected from the ingress of water ( protection index - IP68). It can be used outside and inside the building. It can be used directly in the sauna, bathroom, shower or steam sauna. The maximum withstand temperature of media player is 90 degrees. The installation height of the waterproof media player can not be higher then 1,2 meters from the floor. By using the buttons on the player, you can switch between different audio modes (USB, AUX, Bluetooth, radio) and also control different function options / EQ, timer, clock / Powerful 4 -channel amplifier allows you to output the audio sound to 2 - 4 speakers. Waterproof media player can be connected to various audio sources by using USB plug and supplied cable and adapter that are included in the box.. Other audio sources ( such as CD- player or iPod) connected via AUX- input.