Portable Bluetooth Speaker, Collapsible Silicone Cone Amplifies Sound - Blue *Photo shows multiple colors, only blue is currently available Details: ABS plastic case speaker with collapsible Silicone directional cone. Connects to your mobile device using wireless technology. Includes rechargeable battery that charges through micro USB port (cable provided). PowerTechnology Rechargeable Li-Polymer Battery 3.7V, 200 mAh Output power 2W SNR 65db Frequency response 180HZ-180KHz Distortion 0.3 Wireless V 2.1 EDR Transmission range 10m (approx. 30 ft) FCC Approved. Description: The portable Bluetooth speaker includes a rechargeable battery so you can crank up the volume wherever you go. You won't believe the difference this little collapsible cone makes, amplify your sound and slip it in your pocket or purse when done. Perfect for yard work, the beach, or anywhere you want to jam out without transporting large speakers.