Enjoy excellent audio sound performance with these Sentry Stealth Earbuds with Microphone. They feature a driver unit of 10 millimeters and a frequency of 20Hz-20kHz with a convenient tangle-free cord. Available in a range of colors, these Sentry earbuds make a lovely addition to your headphone collection. 
Sentry Stealth Earbuds with Microphone:
In-line microphone
Noise-isolating earbuds
3.5mm plug
Stereo sound
Tangle-free
Ideal for Apple iPhone and Android Tablets
Driver unit: 10mm
Sensitivity: 100 dB+/-3 dB
Frequency: 20Hz-20kHz
Impedance: 32 ohms
Cord length: 4'/1.2 m
Available in various colors