... control optional Ony for Iphone or for all mobile phone 1.Portable telephone receiver with radiation protection;2.Volume control function optional3 ... .With high quality sound performance and voice transmission4.Suitable for iphone, ... LG,moto,nokia,samsung,htc,blackberry.5.Material: plastic with rubber oil. 6.Proudct Size:21.5cm*6cm*7cm7.Color ...