... radiation Noise Reduction System various colors Function introduction and barameters Color:10kinds(White,black,yellow,green,blue,purple,orange,pignk,silver ... phones Functions:anti-radiation(remove over 96% mobile radiation),HiFi, voice adjusting,signal interference proof. Accessories:3.5mm ... will not pair with our handset. Radiation proof Bluetooth Retro Mobile Handset/Landline/Handset with Holder