Great quality
3.5mm color stereo earphone jack for iPhones/smartphones and MP3/4.
These earbuds have a frequency response of 20 Hz 20 Hz, microphone
condenser type. Sensitivity 98dB, 1V/Pa at 1Khz-52dB. Cable 4 Feet in
length. Packaged in a clear plastic case that can be imprinted with your
company logo.
High quality earphones
are manufactured by the same manufacturer of "A_PP_E" products. Our
lawyers say you need to figure it out! ;-)
Dimensions: Case: 1 1/2"H x 1 1/2"W
Pictured with Optional Imprint on box lid:

Optional Imprinted Area: 1/2"H x 1/2"W