Enjoy the comfort brought by good sound quality, and make you feel the shocking hearing of the soundBuilt-in DSP professional digital audio processing chip, restore KTV experience, make karaoke easierFine craft speaker unit, super bass surround stereo sound3000mAh large capacity lithium battery, ultra-long standby and using timeProfessional tuning master, personalized sound effect independent adjustmentIt is suitable for all kinds of outdoor and indoor scenes of the familyFun five voice changing modes, EFF key to switch sound effect, make K song more interestingFunction: support TF card, radio, dustproof, voice prompt, call function, NFC function Specification: Model: YS-203Interface type: USBFrequency response range: 60Hz-15KHzOutput power: 10WSignal to noise ratio: 60dBPower supply mode: built-in lithium batteryChannel: 2.1Play time: 8 hoursExpansion storage: 32GB TF card(not included)Bluetooth protocol: 5.1Number of speakers: 2Effective distance: 10 metersOperation mode: buttonDisplay: NonePlay format: MP3, WMA, WAV, APEShell material: plasticWhether support APP: NoRadio function: YesSize: 20*26*28cmWeight: 0.5KG