LED Powerful Wireless Portable Dual Microphones Bluetooth 5.3 Speaker Hifi Stereo Family Party Karaoke Subwoofer gifts Support and Android system smart phones. Speaker power: 10W Signal to ratio: 85dB Frequency range: 150 ~ 20KHZ Audio interface: 3.5mm stereo headphone plug Built-in 3000MA battery Charging time: 1-2 hours Playback time: fully intermediate volume 5-6 hours Power adapter requirements: input voltage: 220V output voltage: 5V current 1A/2A Function: with TF card / insert u disk / with voice function/ two microphones Color: Black Material: plastic Package Contents: 1 * Bluetooth speaker 2 * Microphone 1 * English instruction manual 1 * Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.