Tribeca Natural Sound Earbuds with In-Line Microphone - Genuine Maple Wood - For iPhone, iPod Touch, iPad, Samsung Galaxy, all smartphones and tablets Works with iPhone, iPod Touch, iPad, Samsung Galaxy, and all other smartphones and tablets Sound chamber crafted from genuine, natural wood creates an unparalleled acoustic experience Driver features moving coil dynamic speakers with 18Hz-22Hz frequency response; Sensitivity 110+/-3dB at 1kHz, 1mW Output power is 5mW rated (10mW max) One button in-line microphone