Anker Soundcore Motion 300 Wireless Hi-Res 30W Portable Bluetooth Speaker - Black Soundcore Motion 300 SmartTune Technology Our all-new SmartTune technology senses changes in the speaker's orientation and adjusts the sound to improve your listening experience. Whether the speaker is hanging, lying, or standing, you always get the best sound. Powerful 30W Sound Immerse yourself in rich sound that can fill any space. Detachable Strap Attach Motion 300 to your backpack to keep listening on the move, or hang from a tree to enjoy music while you're camping out. 13H Battery Life Listen all day on a single charge. BassUp Technology Pump up the bass with the push of a button. IPX7 Waterproof Keep the music playing at the beach, by the pool, or even if it starts raining. Supports TWS Pairing Pair up two Motion 300 speakers for an immersive surround-sound experience. Customizable EQ Adjust the EQ via the soundcore app to get the sound you love.