1. RoHS approved, Eco- friendly ,non-toxic, ordrless and Friendly to your body.

2. Physical design to amplify sound without out-charge power or battery.

3. Cute portable seat design guarantees iPhone stable on speaker

4. Various shapes to meet particular needs for different sports fans

5. 100% silicone withut elctronics components make it water-proof, anti-shock and no maintainence issue

6. Colorful speakers hightlights your dynamic life combines with music

7. Small size, less weight design for easier carry