portable professional karaoke dual microphone Wireless Bluetooth 3D Stereo Speaker mic device

Features:* Built-in professional digital audio processing chip, easy to solve the treble cannot sing up, low bass singing dilemma, restore the KTV experience, make karaoke easier.* Built-in 7.4V/3000mAh polymer lithium battery, super long battery life, intelligent battery life.* 100W high power, high volume, can be heard clearly even in a noisy outdoor environment.* Supports reverb and treble/bass ±7dB loudness adjustment, 32-level microphone and instrument volume adjustment.* With 2 wireless microphones, you can sing as you like within a transmission distance of 10m.Specification:Name: Wireless microphone speakerbluetooth: 5.0Power supply voltage: 5VFrequency range: 20Hz-20KHzTransmission distance: ≥10mBattery capacity: built-in 3000mAh lithium batteryCharging time: about 1.5 hoursPlay time: about 5 hoursColor: silverPacking included:1 * Wireless microphone speaker2 * Microphone1 * USB cable