Specification:
100% brand new and high quality
Material: Environmental ABS plastic
Color: Black
Size: approx. 200mm x 55mm x 45mm/7.87 x 2.16 x 1.77”
Cable length: Stretch to 100cm
Supplied with a 3.5mm plug
Noise Reduction Syetem
Allows access to phone functions when making calls.

With hands-free function: It can use for answer, hang up the phone and adjust the volume for iPhone and other mobile phones.
But it needs to adjust the volume on cell phone for other moblie phones.

Package included:
1x Cell Phone Receiver Microphone Earphone