Features: Brand new and high quality Digital chip have noise reductions function and clearly sound quality. With variety inputs, including charging/PC, speaker, accompaniment, double microphones, double headphones and double life. Supports wire accompaniment and bluetooth-compatible wireless accompaniment, and can be used with phones, PC, tablets, etc. Five singing model, nine special effect, four warming up programs and three voice conversion model meet the diverses needs of users. Support mainstream live broadcast platforms and software. Specifications: Material:Electronic Component Model: SK600 Color: Black Signal to noise ratio: 106dB Output power: 600mW Power consumption: 5W Input: 5V Endurance: 8-12H Battery capacity: 3.7V/1200mAh Frequency response range: 60Hz-15KHz. Size:Approx.211mm/8.3inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1 Set Sound Card