The Made for Kindle ear buds from Tribeca offer a high quality way to listen to music, movies and more. The genuine Ebony wood enclosures deliver a superior acoustic performance. The advanced cable reduces signal loss. Standard 3.5mm plug and 4 pole jack is compatible with most smartphones, portable media players, tablets and laptop computers. The driver unit features a moving coil dynamic speaker and 18Hz-22Hz frequency response. 1 button remote with microphone.  Sensitivity is 101+/-3dB at 1kHz, 1mW. The output power is 5mW rated with a 10mW max. Also, the advanced nylon braided cable detaches for easy storage.  At the high-end of earbuds available at market, Tribeca's earbuds will not disappoint. Tribeca - ROAM IN STYLE.