2 x 6.5" Sound Traveler Portable Backpack Speaker Features and Specifications - 2x 6.5" Portable Backpack Speaker with Bluetooth and LED Light Panel This Speaker Delivers Durability, Flexibility, and Outstanding Audio Performance The Speaker System is Perfect for Home Entertainment, Seminars, or Any Other Venues and Events Built-in Bluetooth 5.0 Compatible True Wireless Stereo (TWS) - Connect 2 Speakers Via Bluetooth with TWS Technology So they Can Play at the Same Time and You Can Double Your Audio Output Light show, colorful LED lights dance and change to the beat of music USB, Micro SD & AUX Inputs Allow You to Connect Your Non-Bluetooth External Audio Devices FM Radio 1 Mic Input (wired mic included) Remote Control System Type - 6.5" Woofer x 2 Frequency Response - 60Hz-13KHz Impedance - 2.5 Ohms S/N Ratio - 79dB RMS Power - 20W Adjustable and Removeable Shoulder Straps Built-In Rechargeable Battery - 4500mAh Play Time - Approx. 4-6Hrs Charging Time - Approx. 3-4Hrs Accessories - Remote Control, Wired Microphone, and Manual Dimensions & Weight - Unit Dimensions (in) - 10.24 x 4.46 x 17.84 Unit Weight (lbs) - 8.07 Gift Box Dimensions (in) - 11.73 x 9.96 x 20.2 Gift Box Weight (lbs) - 9.17 UPC - 639131282650