Malektronic Hat Trick Waterproof Speaker - Bolts Blue Truly Waterproof Speaker with IP67 rating- can be submerged in water unlike other speakers Includes Locking Carabiner to help you attach it to anything you want Rated 3 Watts with an excellent sound coming from the 3 inch driver Battery life of 5 to 10 hours Auto shutoff function after 5 minutes of inactivity to save your battery Waterproof Shock Proof Dust Proof Streams music wirelessly from any Bluetooth device up to 10 meters/30 feet away Easy-to-use controls for music playback and volume IP67 rated water proof: protected against immersion in water Perfect for listening to music during any outdoor activity Carabiner included for hanging USB recharge cable included Battery Duration up to 10 hours depending on volume Auto shutoff after 5 minutes of inactivity NFC: Near Field Communication, a quick bluetooth pairing technology Bluetooth Version: 3.0 Lithium Battery Capacity: 500 mAh Rated Power (RMS): 3 W Product Size: 3.5 in Diameter Product Weight: 7 oz Waterproof Shock Proof Dust Proof