Rockville ROCKBOX 6.5" 100 Watt Multi-Purpose Portable Powered Bluetooth Speaker w/USB/SD/Radio.

• Rechargeable 6000mAH lithium battery lasts 24 hours. 100 Watts Peak Power / 50 Watts Program Power / 25 Watts RMS Power.
• Built in Bluetooth to stream your music wirelessly (65 foot range!). Built in USB music playback. Built in SD card playback (supports up to 32 GB).
• 3.5MM Aux input. .25" Mic input. Built in FM radio tuner with memory presets. Volume control, bass, treble, mic volume control, and echo control knobs.
• Frequency response: 40HZ ? 18KHZ. 6.5" woofer and 1" tweeter built in.
• On-the-go system is perfect for the beach, bedrooms, bathrooms, work, computer speaker, and more.
• Enclosure is made of high quality ABS material that is very durable and can take a good beating. No distortion even at max level listening!
• Digital LCD display screen. Built in highly efficient amplifier puts out a lot of power and draws very little current from the battery.
• Metal grille to protect the speakers. Distortion: ?0.5%. Unit dimensions in inches: 10.12" x 13.82" x 7.4".
• Unit Weight: 5.9 LBS. Shipping Dimensions in inches: 12.6" x 10.2" x 14.57". Shipping Weight: 8.16 LBS
• Connectivity technology: Auxillary
• Power source type: Battery Powered