Features: Specific External Microphone: Mini cardioid condenser microphones that connect directly to Andorid/ iOS smartphones and tablets. No need for adapters, no sound-quality degradation. You could find the corresponding version for your devices in the series. Beyond Your Imagination: The MMic-U1 boasts SYNCO Instant Signal Processing Circuit that optimizes the audio in real time after receiving the sound wave, and outputs it directly to your mobile recording device. With cardioid condenser, it focuses the sound where the microphone is pointing at. Plug-and-Play: Take the MMic-U1 out of the camera bag, handbag, or shirt pocket, then plug it into the device and start recording. Battery-free, cable-free and hands-free. No need to wait for charging. Start recording anytime Truly Tiny Size: Finger-like body is unobtrusive and light enough to add on any compact devices for action filming, won’t block the selfie screen nor do the camera lens. Very suitable for Vlogging, live streaming, outdoor sports filming like cycling, skiing, hiking, etc. Follow Your Bent: The mic can be rotated 90° to match the direction of your camera, quick shift in the pick-up range when you filming yourself with front-camera and surroundings with rear-camera. Focus on what you want to record with flexible connector. Specifications: Brand: SYNCO Model: MMic-U1 Plug Type: 3.5mm TRRS Plug/ Lightning Plug(optional) Transducer: Condenser Frequency Response: 40Hz-20KHz Signal/Noise: 66dB Sensitivity: -35dB at 1KHz Max SPL: 120dB SPL Impedance: 2200Ω Material: Metal Battery Requirement: Plug-in Power Packing List: 1 * Microphone