Dual Microphone Wireless Karaoke Speaker Portable Professional Karaoke Smart External 3D Stereo Surround

【Features】Portable mini model, portable when you go outExcellent sound quality with acoustic microphoneBuilt-in large battery (2000 mAh) can stand by for 90 days when fully charged (note that it is standby,If you sing, you can sing 24 hours a day)Compatible with KTV and Bluetooth speakers, compatible with a variety of k song appsMulti-mode for bluetooth, card, headsetSpeaker parameters:Channel: 2 channelPower supply mode: built-in lithium battery 2000 mAhContinuous use: 4 hoursOutput power: 13WWeight: 300GMicrophone parametersUse time: 3 hoursWeight: 87GBattery capacity: 500mAhTransmission distance 10M- Speaker1- Microphone1- Type c data cable1- User Manual1