Enjoy the comfort brought by good sound quality, and make you feel the shocking hearing of the sound Built-in DSP professional digital audio processing chip, restore KTV experience, make karaoke easier Fine craft speaker unit, super bass surround stereo sound 3000mAh large capacity lithium battery, ultra-long standby and using time Professional tuning master, personalized sound effect independent adjustment It is suitable for all kinds of outdoor and indoor scenes of the family Fun five voice changing modes, EFF key to switch sound effect, make K song more interesting Function: support TF card, radio, dustproof, voice prompt, call function, NFC function Specification: Model: YS-203 Interface type: USB Frequency response range: 60Hz-15KHz Output power: 10W Signal to noise ratio: ≥60dB Power supply mode: built-in lithium battery Channel: 2.1 Play time: 8 hours Expansion storage: 32GB TF card(not included) Bluetooth protocol: 5.1 Number of speakers: 2 Effective distance: 10 meters Operation mode: button Display: None Play format: MP3, WMA, WAV, APE Shell material: plastic Whether support APP: No Radio function: Yes Size: 20x26x28cm Weight: 0.5KG 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. Sold by-YJL official store