Superior Sound Quality - Portable Bluetooth speakers and 2 wireless microphones are equipped with high-performance audio drivers and advanced digital signal processors to make the sound clearer and bring you a perfect singing experience. upgraded mic, Support to adjust human voice/echo effect/music volume seperately, suitable for using as karaoke machine & regular speaking microphone. Playing Long Time - It has built-in rechargeable battery that ensures 5-10 hours of playback time. Charge faster and last longer. Birthday parties, Conferences, Classes, Outdoor activities etc.. This portable Bluetooth speaker and wireless microphone will satisfy all your "happy singing" needs. Bluetooth 5.0 - You can connect the karaoke machine to your phone or tablet and play any music from music apps like Spotify, YouTube or Apple Music! Instant pairing to your mobile devices with great stability. The wireless mic will auto connect with the speaker when power on, distance up to 32 feet.Supports a TF stored with MP3 songs. Playing Long Time - It has built-in rechargeable battery that ensures 5-10 hours of playback time. Charge faster and last longer. Birthday parties, Conferences, Classes, Outdoor activities etc.. This portable Bluetooth speaker and wireless microphone will satisfy all your "happy singing" needs. Multi-function Karaoke Machine - Equipped with 4 magical sound effects, providing endless fun for children. The LED lights dance to the rhythm of the music, creating a joyful atmosphere. It features a headphone output interface on the back, making it perfect for singing practice and family karaoke sessions. Internal vocal removal function so you can sing to your favorite songs! And its compact size makes it easy to carry when traveling. Product parameters: battery capacity: Speaker: 1200 mA Microphone: 400 mA Battery life: about 4-5 hours Charging interface: Type-C Pickup: Condenser microphone Colorful sound and light: 5 dreamy RGB lighting effects Bluetooth version: 5.0 Peak power: 13W Speaker power: 6W Speaker unit: dual unit Signal to noise ratio: 60db Frequency range: 100Hz-10KHz Play mode: Bluetooth/TF card/headphone mode Reverb mode: echo reverb sound effect Receiving distance: 10 meters and above Material: ABS colour: A-white Package Contents: 1 x Bluetooth speaker 2 x Microphone 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.