Details Products Description◆ Support various smart phones of Apple and Android system.◆ Speaker power - 20W◆ Signal-to-noise ratio - ≥85dB◆ Frequency response range - 150~20KHZ◆ Audio interface - 3.5mm stereo headphone plug◆ Dual microphone battery 1200MA battery◆ Built-in 3000MA battery; very convenient to charge◆ Charging time - 2 to 3 hours◆ Playing time - 4-5 hours of medium volume when fully charged◆ Power adapter requirements - input voltage - 220V output voltage - 5V current 1A/2A◆Finished weight - 1.4KG◆ Product size - L210*W98*H155mm◆Function - with TF card/insert u disk/with voice changing function; 2 microphonesAccessories - charging cable; manual Products Description Products Description Product Name - Karaoke AmplifierFunction - Karaoke; sound reinforcement; USB/TF card playbackModel - YS-204Vocal Editing - One-click to remove the original soundTone change - male; female; child; old man; magic toneDuration - 5-6 hoursCharging type - USB portUsage scenarios - parties; part