1).2.0 speaker set with amazingsound effect 2).Stylish design makes it the mostfavorable items of youngsters3).Extendable tube which producesdeep and full sound4).Built-in rechargeable Li-ion battery 
1. Rated Power: 3W×22. Frequency Response: 100HZ--20KHZ3. S/N Ratio: ≥90db4. Output: 3.7V/400MA×25. Power Supply: Li-ion battery6. Speaker Drivers: 3W/4Ω7. Dimension: L65 x W65mm×H55mm(approx.)8. Weight: 90g(approx.)Accessories: USB / audiocable,pouchColors available: Black/ White/ Red/