JAM Trance Plus Wireless Lightshow Bluetooth Speaker, 36 LED Light Party Programs, Built-in Speakerphone, Rechargeable, Play Music, Connect to iPhone, Android, Perfect for Parties, HX-P930 Connect wirelessly with any Bluetooth device in a 30-foot range and answer calls directly from your Trance Plus speaker with the speakerphone feature Rechargeable: Charge for 3 hours to provide up to 10 hours of play time Light show feature lets you choose from 36 led light party programs that synch with your music Voice prompts: Listen up! Your speaker tells you what its doing (powering on, connecting, etc.) Rubberized exterior of this speakers exterior is designed for protection that you can also take on the go. Portable, the JAM Trance Plus is about the size of a water bottle