U-voice UVC863iSP Lavalier Tie-Clip Microphone for Apple iPhone, iPad, Android, Samsung Galaxy, HTC, Window Smartphone & Tablet Omnidirectional Electret Condenser Microphone with Detachable tie-clip and metal cover windscreen Compatible with iPhone, Samsung Galaxy, hTC, tablet, & window smarthphone Can be used with most recording apps on your smart phone and tablet to capture quality audio recording Impedance: 1800 Ohm +/- 30% Cable length: 73 inches