Movo LV10 Battery-Powered Lavalier Clip-on Omnidirectional Condenser TRRS Microphone for Apple iPhone, iPad, iPod and Samsung Galaxy Smartphones, Cameras, Camcorders, Recorders Powered by a LR44 battery (1 included), improves performance compared to battery-free version Omni-directional Pickup Pattern Includes Windscreen 20' Cable 1 Year Warranty