Vivan Home Theater Mini Amplifier Speaker Subwoofer Karaoke Blue tooth Wireless Portable Speaker With Microphones For Family Ktv

VIVan. Support various smartphones, tablets, etc. Speaker power: 10W. Reynolds ratio: 85db. Fast and fast frequency: 15020KHz. Audio source interface: 3.5mm stereo headphone plug. Single microphone battery 1200mA battery. Built-in 3000mA battery, charging is very convenient. Charging time: 2 to 3 hours. Playing time: 10 hours playing time on full charge. Power adapter requirements: Input voltage: 220V Output voltage: 5V Current 1A/2A. Weight: 800 grams. Product size: 21x16x8CM. Function: insert card/insert U disk/with voice changing function, 1 microphones. Package includes: bluetoothspeaker#speaker#speakers#microphone#bluetoothspeakerbig#bluetooth speakerwithmicrophone#bluetooth speakermini#bluetoothspeakerwithwirelessmicrophone#speakerwithmicrophone