Connects wirelessly to Bluetooth enabled devices or via 3.5mm audio cable Crystal-clear sound and surprisingly powerful bass for its small size Comes with color-changing glowing light mode Integrated microphone with noise shielding for clear speakerphone calls Li-Poly battery with 5 hours of playtime at 70% volume and 40 hours of standby time The iSound Fire Waves Bluetooth Speaker packs crystal clear sound and surprisingly powerful bass into a portable, compact and very attractive aluminum casing design. The speaker works with any Bluetooth enabled audio device. If Bluetooth is not enabled, simply connect your iPod, iPhone, iPad, smartphone, tablet, laptop, MP3 player or other audio device via the included 3.5mm audio cable. The iSound Fire Waves Bluetooth Speaker comes with an expandable design for improved sound quality. The speaker features a Li-ion Polymer Battery which allows 5 hours of playtime at 70% volume and 40 hours of standby time. Quickly recharge the built-in rechargeable battery with the included USB cable - a full charge takes less than 3 hours. Impress yourself and others with the crystal clear sound and colorful light effects of iSound's Fire Glow.