Features: One button turn on, automatic pairing. Mini size and lightweight for easy carrying. 360 omnidirectional pick up, recording every detail of the sound. No delay real-time acoustic, listening while recording. Built-in high sensitive DSP noise reduction chip, effectively reduce ambient noise, can still clear recording in noisy environment. 70m wireless transmission distance. With a bag for convenient carrying and storage. Specifications: Main color: black Main material: plastics Frequency: 2400-2483.5MHz Output level: max. +3dBu SPL: max. 100dB SPL (1KHz@1m) Gain: 0-9dB Microphone input: 20Hz-20KHz Transmitter/receiver battery: 3.7V, 500mAh Transmitter/receiver size: 50 * 40 * 15mm / 2.0 * 1.6 * 0.6in Package size: 180 * 116 * 45mm / 7.1 * 4.6 * 1.8in Package weight: 350g / 12.3ounce Packing List: 1 * Transmitter 1 * Receiver 1 * USB Cable 1 * Storage Bag 1 * Wind Shield 1 * User Manual 1 * Earphone Adapter Cable 1 * 3.5mm TPRS Mobilephone Cable 1 * 3.5mm TPRS Camera Cable