Feature 1DUAL INTERNAL MAGNETIC SPEAKERS: Dual internal magnetic speakers, 3 sound generating units, complete coverage of 200. With microphone, treble is crisp, alto is powerful and bass is thick. 2DIGITAL PROCESSING CHIP: Home karaoke machine with digital processing chip, so that the sound better. You can also enjoy the KTV sound at home. 3SUPPORT FUNCTION: Support memory card to play music, USB OTG with its own microphone, singing amplification function, reverb sound, headphone output. 4BLUETOOTH CONNECTIVITY: Mini karaoke machine set can Bluetooth connection TV, cell phone singing, so your ears immersed in the beautiful music. 5EASY TO CARRY: Handheld karaoke mics speaker machine light weight, exquisite appearance. Small size, easy to carry, can also be stored in the bag.Item Type: Home Karaoke MachineMaterial: Plastic, ElectronicsSpeaker Bluetooth Version: Bluetooth 5.3Speaker Speaker Diameter: 57mm 4ohm 6w 50 DiaphragmSpeaker Frequency Range: 100Hz-10KHZSpeaker Reverb: Sound Effect ReverbSpeaker Charging Time: 3.5-4 HoursMemory Card Slot: Speaker Memory Card Slot Supports Up To 512G Storage (Not Included)Battery Type: Speaker Built In 1200mAh, Microphone Built In 400mAh Polymer Lithium Battery (Included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Speaker1 x Microphone1 x Charging Cable1 x Instruction Manual