About this item ?【Excellent Karaoke Sound】Portable karaoke machine system with built-in 2*15w full-range audio speakers, equipped with a high-performance audio driver and an advanced digital signal processor, intelligently eliminates noise, making the sound clearer, with stronger bass and more moderate volume. Realize all-around surround sound, giving you shocking audio-visual effects. Perfect for party, family karaoke, weddings, gatherings outdoor/indoor activities. A perfect Christmas gift for kids & adults. ?【All-in-one Bluetooth Speaker System】Multi-function speaker system with multi-function devices such as karaoke machine, portable PA system, and Bluetooth music speaker. It is an ideal choice for home karaoke. Built-in high-capacity 3000mAh rechargeable battery that can play for up to 2-3 hours. Besides, the USB port enables the power bank function to recharge your smartphone/tablet. ?【Bluetooth 5.0】The Karaoke speaker boasts the latest Bluetooth 5.0 chip, ensuring seamless Bluetooth connectivity with smartphones/tablets to play music. It functions as both a Karaoke machine and a Bluetooth speaker, allowing you to host music parties anytime. It supports TF Card/USB/AUX IN and works with various external devices like iPhone, Android phone, iPad, TV, PC, etc. Connecting it to your TV using an AUX/RCA cable enables synchronized lyrics for the ultimate home Karaoke experience. ?【2 Wireless UHF Microphones】①Two mics adopt the latest UHF technology and the signal is stable when singing. When both the speaker and mics are turned on, the mics will auto-connect, and the working range is up to 33 feet. ② The 2 mics adopt advanced intelligent noise reduction technology and the professional audio processor automatically adjusts the high and low bass to ensure better performance. Efficiently transmit your voice with fidelity and noise reduction for the best possible sound. ?【Make It A Duet】Long press the "A= B" key for 2 seconds to switch the "CHA" and "CHB" frequency bands. When the two microphones are in the "CHA" and "CHB" frequency bands respectively, the microphone can be a duo. When both microphones are in the same frequency band, only one microphone can be used. ❗❗❗ 【Attention】When your device is connected to the speaker, you can adjust the volume of the music through the volume rotary button of the speaker. At the same time, the volume of your device connected to the speaker can also affect music sound. If the volume of your device is low or turned off, This will cause the music played through the speaker to be very low. ?【Foam Cover Set Inside】After repeated tests, we found the foam cover inside the microphone can provide better sound quality and sound pickup effect, so our covers are all set inside the microphone. NOTE - No need to reinstall for the first use as we have already put the foam cover into the microphone.【How to replace the Foam Microphone Cover】1. Rotate to open the top grille; 2. Take out the foam cover from the grille inside; 3. Put the new foam cover into the grille; 4. Tighten the grille. ?【BIGASUO PROMISE】We aim to provide high-quality products to bring joy to your family and friends. 《365 DAYS No-reason Replacement Service, LIFETIME Technology Support, Order with Complete Confidence!》Just contact us if you have any questions, and we will try our best to help you solve any problems. The package includes a karaoke machine, 2 wireless UHF microphones, a Type c charging cable, an AUX cable, and a user manual.