1,LARGE SOUND FIELD: Mini Karaoke machine has 3 sound generating units, double internal magnetic speakers, completely covering 200㎡. 2,PROFESSIONAL CHIP: Karaoke machine with excellent digital processing chip, so that the sound better, you can enjoy the amazing KTV sound at home. 3,WIRELESS CONNECTION: Portable Bluetooth speaker can be Bluetooth connected to TV, cell phone Karaoke. The highs are crisp, the mids are powerful, and the bass is mellow. 4,MULTIPLE CONNECTIONS: Portable wireless speaker supports Bluetooth connectivity playback, memory card playback music, USB OTG connection. 5,LONG BATTERY LIFE: Bluetooth speaker built in 1200mAh polymer lithium battery (included), wireless microphone built in 400mAh polymer lithium battery (included). Item Type: Karaoke Machine Set Material: Plastic, Electronics Speaker Bluetooth Version: Bluetooth 5.3 Speaker Speaker Power: 7W Speaker Frequency Range: 100Hz to 18KHz Speaker Reverb: Sound Effect Reverb Speaker Charging Time: 3.5‑4 Hours Memory Card Slot: Speaker Memory Card Slot Supports Up to 512G Storage (not Included) Battery Type: Speaker Built in 1200mAh, Microphone Built in 400mAh Polymer LithiumBattery (included) 1 x Speaker 1 x Microphone 1 x Charging Cable 1 x Instruction Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.