... amplifier newest silicone horn stand speaker for iphone 4Specification: NameSilicone rubber amplifier,loud horn For Iphone 4GCertificateROHSMaterial100% siliconeEco-friendlyYes ... %siliconematerial, environmental,safe to human body2.provide for different designs,sizes,colors and logos.3.Precisely ... be designed and develop.functionIt can provide protection for the cell phone from water,dust ,scratch,bump ...