EDUTIGE i-Microphone EIM-001 - Omnidirectional 3.5mm 4-Pole (TRRS) Microphone Boosts Sound for Smartphones and Tablets SENSITIVITY: Record up to 12db louder! PREMIUM QUALITY: Nothing less. Brass metal body ensures longevity even in the most rugged situations. RF shielding prevents interference and feedback. STYLE: compact, light, sturdy APPLICATION: Ideal for voice memos, lectures, interviews, business meetings, and much more! Great for recording audios for iPhones, iPads, Macs, Samsung smartphones and tablets. MORE: Cool trick for gamers to perform voice commands on their XBOX or PS4 controller. 1 microphone 1 foam windscreen The EDUTIGE ESL-006 4-pole Extension Cable, 2 meters long (6.6ft), is a perfect companion for iPhone videographers. When recording outdoors, the EDUTIGE EWS-003 Furry Windscreen reduces unwanted wind noise. Directivity: Omni-directional (360 degrees) Sensitivity: -22dB (1 kHz at 1Pa) Frequency response: 50  18,000Hz S/N Ration: 58dB+ Plug: 3.5mm 4-pole (CTIA) gold-plated Size: 22mm x  10mm(0.9 x  0.4in) (without plug) Weight: 6.5 grams (0.2 oz) Power supply: Plug-in power capability, no batteries required