2x 8 Portable Bluetooth Speaker, 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 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, FIRE 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, Remote Control, One Wired Microphone, System Type: 2x8 Woofer, Power supply :DC3.7V, Maximum power consumption:10W, Rechargeable battery 1800mAh, Power Supply: DC5V, RMS Power: 12W, Frequency Response: 60Hz-18KHz, Impedance: 6 and S/N Ratio: 60dB.