... so on 2. Noise cancelling ,with soft silicone cap,wearing comfortable3.ROHS,CE and customers logo ... large size ,Middl size and small size .For the color ,black ,white,transparent white ,grey ,transparent grey . ... your quantity are large ,we can make any color silicone as per your pantone number .For shape , ... ,the following are different jack for reference Color Requirements :We can make every part of ...