Bluetooth solution: 4.2Bluetooth distance: 10 metersSpeaker size: 3 inches, external magneticSpeaker power: 2*10WBattery: 7.4V/1800mAhMicrophone solution: BK UHFMicrophone distance: 10mPlay time: 2-3 hoursCharging time: 1-2 hoursMicrophone battery: 3.7V/1500mAhProduct material: ABS plasticMicrophone charging time: 1-2 hoursCharging: 5V/2A
- Wth USB/BT/ TF/ Slots
- Short prees the music original on is to cancel the original sound
- Karaoka / family KTV
- Short press the EQ mode on is six kind conversation od EQ effect