Compatible with all 3.5mm jack mobile phones Frosted Anti-Radiation Retro Telephone Mobile Phone Headset Earphone Receiver with Answer and Hang up Key Two Mode Compatible with All Phone (Black) Compatible with all 3.5mm jack mobile phones, including iPhone, Samsung, HTC and more Special design combined classic style with a contemporary edge, super slim and light, very convenient to carry Eliminates up to 99 percentage of the radiation absorbed compared to a direct use of mobile phones Noise reduction system can help improve the quality of phone calls Has two mode switch, and the switch make the M3 telephone be suitable for 3.5mm different brands mobile phone No need a convert cable