Feature 1 Wide Range: Small volume speakers, dual internal magnetic speakers; 3 sound generating units, completely covering 200. Speaker working alone or your Karaoke entertainment, it is a new experience. 2 Superior Sound Quality: Portable bluetooth karaoke machine with a new generation of K song microphone. The highs are crisp, the mids are powerful, and the bass is thick. 3 Dynamic Sound: Portable bluetooth karaoke machine with advanced digital processing chip, make the sound better. You can also enjoy the excellent KTV sound at home. 4 KTV Function: Bluetooth connection to TV and cell phone Karaoke, good sound and fun private KTV singing is so simple. 5 Multifunction: Karaoke machine support Bluetooth connection, memory card playback music, USB OTG with microphone, K song amplification function, reverb sound function and headphone output function.Item Type: Karaoke MachineMaterial: Plastic, ElectronicsSpeaker Size: Approx. 8x7.2x6.5cm / 3.1x2.8x2.6in Microphone Size: Approx. 13.5x3x3cm / 5.3x1.2x1.2inSpeaker Bluetooth Version: Bluetooth 5.3Speaker Diameter: Approx. 57mm/2.24inSpeaker Speaker Power: 6WSpeaker Working Voltage: 3.7VSpeaker Frequency Range: 20Hz-20KHzSpeaker Reverb: Back Sound Effect ReverbSpeaker Charging Time: 3.5-4 HoursMemory Card Slot: Speaker Memory Card Slot Supports up to 512G Storage (Not Included)Microphone Charging Time: About 2.5 HoursBattery Type: Built In 1200mAh for Speaker, 400mah Polymer Lithium Battery for Microphone x 2 (Included) Package List1 x Karaoke Machine2 x Microphone1 x Charging CableNoteManual measurement please allow some error.