... Good quality Silicon Mini Speaker for 4G/4S Specification: 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 ... functions well in hand-free modeAdditional opening reserved for chargerWashable, dirt and scratch resistant 3) The ...