Concerning this item Wireless Hi-Res Sound: Use Wireless Hi-Res sound to enhance your outdoor audio experience. There isn't a better sound quality in a speaker this tiny. SmartTune Technology: The unique adaptive technology of the Motion 300 portable speaker automatically adapts to the speaker's orientation and direction to produce rich sound in any situation. Strong Bass, Compact Design: You don't have to compromise sound quality when you're on the go thanks to this portable design, which packs a powerful 30W stereo sound and a punchy bass in the palm of your hand. Ultra-Long Playback Time: You can listen to the music nonstop throughout the day and night thanks to the remarkable 13-hour playback time. Outdoor Ready: The IPX7 waterproof rating of the Motion 300 portable speaker allows you to withstand the elements.