Features: 1.Professional audio processor and tuning system, and it has 3-layer filter to avoid crackling or popping, creating a stunning KTV live-sound environment and wonderful echho reverberation. 2. It be used as bluetooth speaker, a player and a recorder. faster paring and universal compatibility. 3.3-way Connection, bluetooth Connection, Cable USB Connection, and TF card Connection. The bluetooth has a distance of connection(10m), Highly compatible 32GB TF card 4.This Karaoke Wireless Microphone can last more than 6-10 hours after a fully charge. Whatever at home or outdoors, do not worry about the battery is not enough. 5.Equipped with LED lights,7 colorful breathing lights, adding atmosphere to your singing and parties!Professional Microphone, bluetooth Speaker, KTV Singing, Party Singing, Family Singing ,A unique gift for children and adults Specification: Product name: Wireless Microphone HIFI speaker Model: 858L Output power: 5W Charging Power: DC5V Max sound Pressure level: >115DB 1KHZ TDH< 1% Frequency range: 100Hz-10KHZ Reverberation mode: Sound effect reverberation Connection distance: within 10 meters Connection method: bluetooth, TF card, AUX Pickup: electret capacitor Number of speakers: 2 Speaker power: 4Ω 13W Speaker type: 52mm 40 magnetic speaker Power supply: Built-in 18650 Li-battery Battery capacity: 2600mAh Use time: 6-10h Advantages: Karaoke professional reverberation effect, with colored lights, High-density noise reduction, professional DSP audio processor and EQ chip design Package: 1 x bluetooth Microphone 1 x USB Charging Cable 1 x User Manual