●Multifunctional karaoke machine: built-in speaker 5.0, stable signal transmission within a range of 10 m / 32.8 feet. Last U album U, line mode reproduction, compatible with mobile phones, tablets and computers. The device contains 4 types of sound effects, 6 types of conversion of balancing effects and 3 reverberation sound levels. ●Lightweight stereo sound: High fidelity high fidelity speaker of 10 W with low frequency. Sound in boom, high definitions sound quality, enjoys a 360° enveloping sound of stereo music. ●Portable speaker: Portable wireless/outdoor, lightweight and compact wireless speaker weighs only 979 g/2.2 pounds. ASA for easy transport. Equipped with 2 wireless microphones, the microphone has the function of adjusting the effect of applause and cheer and provide a complete sense of presence. You can independently adjust the volume and choose the original sound or accompaniment. ●Super battery duration: Built-in rechargeable lithium battery of 2400 mAh, which can allow music reproduction of 6 to 7 hours. Great choice for parties, outings, camping. ●Multiple great lights: the speaker has an opening and the bright and colourful lights dance with the music. You can also change the lighting effect to create a party setting for you. If you do not want to use the light, press and hold the function button to turn it off. Great gift idea for family and friends.