Directional Shotgun Microphone Specifications: 1. Sensor Type: Capacitive 2. Microphone pointing type: Cardioid pattern. Enhanced Clarity and Noise Reduction 3. Universal Compatibility: This external camera microphone is compatible with most devices, including cell phones, DSLRs, camcorders, and other recording devices equipped with a 3.5mm audio jack. No batteries are required, plug and play. Please note: Devices without a 3.5mm audio jack require an official adapter (not included).