The Noxgear 39G Wearable Waterproof Bluetooth Speaker, Hour Battery Life. Light As A Feather - Forget about bulky portable speakers or headsets that weigh you down. Flaunting a slim and compact profile, our wearable outdoor speaker weighs in at a lightweight 39 grams. Attach It Anywhere - Listen to your tunes wherever you're headed. This clip-on portable speaker may be attached to your shirt, backpack, or jacket via its spring clamp or magnetic clip attachment. Premium Audio - Our clip-on mini Bluetooth speaker dishes out studio-quality sound with its N52 neodymium audio driver. Enjoy crystal clear phone calls with its active noise suppression feature. Up To 12 Hours Of Playtime - Groove to your tunes for hours with this Bluetooth waterproof speaker. It has a robust rechargeable battery yielding up to 12 hours of continuous play on a single charge. For Your Active Lifestyle - Use the wireless Bluetooth speaker while hiking, running, or working out. With its clip-on design, you get to listen to music while still being aware of your surroundings.