... bluetooth silicone earphone rubber cover 1,100silicone,ROSH cereficate 2,Various color and shape 3,welocme OEM 100% brand new Material: Soft silicone ... in diameterSimple to use, just wear in, enhance sound quality and isolate outside noiseSoft, durable and comfortable, ... ear canal comfortablly for descreasing noise,3.NON-Toxic Smooth dirt resisant ,softly.watherproof and Envirental protection.4.More ...