Bluetooth speaker/ TWS Playing/ Duet Singing/ TF Card / USB / AUX IN / Wireless Karaoke / Audio Output / LED Colorful Light/Sound effect/ Output:15W+5W
•Sound pick-up： Dynamic microphones
•Bluetooth version：V5.0+EDR
•Speaker output ：15W+5W
•Speaker Specification：4inch 4Ω/15W
•Speaker Specification：1.5inch 4Ω/5W
•Frequency Response：20Hz-18KHz
•Charging Voltage：5V/1A
•Battery capacity：4000mA/3.7V
•Microphone battery capacity ：800mAh
•Product size：224*242*168mm
•Gift box size: 280*247*215 MM
•Net /Gross weight ：2.05kgs/2.48kgs
•Audio Input: Bluetooth / TF card / USB / line in
lPacking: 12pcs; 30.8kgs; 67.2X58X52 CM