ISB14B Portable Wireless Bluetooth Speaker - Black with Color Change: The ISB14 packs big sound into a small design with surprising features. A color changing glow ring automatically shifts through the spectrum or pauses on your hue of choice to create an accent color that matches your mood. Supports Bluetooth v2.0, Supports profile A2DP (Advanced Audio Distribution Profile), Wireless range: 33 feet, Supports automatic device pairing, 3.5mm audio input, Built-in speaker, Micro-USB port for battery recharge, Color-changing lights with auto and manual color-changing modes. Pairing button, On/off switch, Light on/off switch, DC battery power: built-in rechargeable lithium ion battery, Battery life: up to 2 hours. Includes: Micro-USB to USB cable, Warranty, User's guide.