2 Wireless Microphones:Two 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.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. Excellent Karaoke Sound:Portable karaoke machine system with built-in 2*20w 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 & adult. Solid wood & Large Capacity Battery: This party speaker shell is made of exquisite and durable solid wood/leather. It weighs 6.5 pounds and is attached to a carrying strap. Light, portable and compact. You can easily carry it to the beach, outdoor, etc. High-performance battery (built-in 3.7V/3000mAh rechargeable large-capacity lithium-ion battery), and low power consumption, guarantee 6 hours of continuous music playtime on a full charge. (standby for 16 hours). Multi-function Karaoke Machine: Built-in the latest Bluetooth 5.0 chip.At the same time the sound card to increase the DSP processing technology, the sound will be DSP technology processing, the original sound to be converted to deal with the sound issued after the sound is more beautiful.This big speaker also supports a Micro TF card, Flash USB, and AUX-in connectivity. Compatible with the android mobile phone, TV, iPad, tablet, PC. There is a 6.35 microphone input on the operation panel,. 1:Multifunctional Live Sound Card, Audio Mixer Sound Board Card: This microphone speaker can be used for DJ, music studio recording, condenser microphone, karaoke online, podcast, mic, singing, k song, live stream, TikTok and YouTube streaming, guitar, Facebook, anchor, voice mixing , home audio recorder. Sound mixer board is also a voice changer for gamer who play games online.