Dense alloy seamless steel tube fuselage?? four polished?? three-layer anti-rust coating?? exquisite?? solid and durable. Easy to Pair Bluetooth Portable Speakers (NO pin Needed). Patented Metal Housing that delivers low frequency resonating sound at even reduced volumes in real time. Includes a high quality color gift box great for the Holidays.</br>Audio Input from iPhones/iPad?? Android Phones/tablets via 3.5mm cable (included)</br>Built-in Li-Ion Rechargeable Battery for up to 6 hours of playtime.</br>Also can be USB powered or with USB adapter wall charger (not included).</br>Other Features: Water resistant?? quick charging functions??"-saver sleep mode??</br></br>Product Description</br></br><p><b>The smallest patented subwoofer in the world.</b></p> <p>NOTE: Works with any iPhone 5?? Samsung Galaxy 4 and mobile devices that are Bluetooth enabled</p> <p>You tube demo video available if you search online</p> <p>Be careful that there are imitation speakers on Amazon that look almost identical on the outside?? but are $10-$20 less. This speaker will sound much better in terms of sound?? loudness and crisp bass. </p> <p>The SimplyVibe Wireless Bluetooth Speaker is a remarkably high quality portable speaker that can deliver low frequency resonating sound at even reduced volumes in real time. This is a patented technology that can only be achieve through it's unique metal casing and acoustic components and design. </p> <p><b>Easiest to pair - NO code/pin needed.</b>Turn the speaker on and make sure your device's Bluetooth is enable