A. Ys-219 Karaoke Machine Portable Wireless Bluetooth-compatible Speaker System With 2 Microphones Home Tv Ktv Set B. Feature: C. 1. Multifunctional Karaoke Microphone: Built-in Bluetooth-compatible 5.0 wireless streaming chip, ensure instant pairing, provide stable transmission and longer distance, up to 33 feet. This portable karaoke machine also supports Micro TF card, insert U disk and AUX connection. Compatible with Android phones, TVs (audio cable recommended), iPads, tablets and PCs. In addition, the USB port supports the power bank function to charge your smartphone/tablet. D. 2. Change your voice in a fun way: Two microphones are a must for duets and dance parties. Our children's Bluetooth-compatible karaoke machine has seven magic sound effects of original, magic sound, baby, female voice, male voice, 2 kinds of mixing, to meet more needs and bring more fun. The voice changer microphone is suitable for car karaoke, family gatherings, classrooms, presentations and many other occasions. E. 3. Long Battery Life: This karaoke speaker has a built-in 3000mAh high-efficiency lithium-ion battery, which can guarantee uninterrupted music playback for up to 8 hours at 50% volume, and a built-in 1200mAh high-efficiency lithium-ion battery for the microphone. Whether it is an indoor dance party or an outdoor party, it is very suitable. F. Product Name: Speaker G. Color: black, white, blue; H. Support various smart phones compatible for ios Android systems; I. Applicable objects: household, computer, musical instrument, conference special, live broadcast crowd; J. Signal to noise ratio: ≥100dB; K. Frequency response range: 20-20KHZ; L. Audio interface: 3.5mm stereo headphone plug; M. Built-in 3000MA battery, very convenient to charge; N. Charging time: about 1.5 hours; O. Playing time: about 8H hours; P. Power adapter requirements: input voltage: 220V output voltage: 5V current 1A/2A; Q. Function: with TF card/insert U disk/with voice changing function, 2 microphones; R. Finished weight: 1.4KG; S. Product size: Speaker size: 210 x 155 x 100mm, Microphone size: 120 x 35mm; T. Packing list: U. Speaker x 1 (including 2pcs microphones) V. Charging cable x 1 W. Instruction x 1 X. Note: Y. 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. Z. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.