... receiver for mobile phone 2.support all 3.5mm cell phones 2.Color:red,black,blue,purple,pink 5 colors KK T-01 ... /hanging up button2 Colors: Red, purple, pink, black, whiter 5colors are available 3 OEM&ODM provided4 Frequency:20-20000Hz 5 Sensitivity ... % of phone radiation11. Allows access to phone functions when making callsProduct's pictures KK T-01 Telephone Receiver for All 3.5mm Plug Mobile Phone