Speaker with microphone K12 children's microphone home Bluetooth small speaker wireless microphone portable---Number of speakers1 Effective distance10Box materialABS Dimensions110*50*150
---Waterproof levelNot waterproof Bluetooth version5.3Built-in battery capacity1200mAh-2000mAh (inclusive) Rated power5Net weight0.6 2Karaoke speakers3Wireless microphone Rated voltage5Additional functionsCard insertion, voice prompt 1Children's toysIs it a built-in batteryBuilt-in battery