Description: Automatic frequency binding when switched on: one-key on and automatic matching, TV-grade sound is not interfered with and effective long-distance transmission. Up to 50 meters in a barrier-free environment. The multi-directional capacitive capsule can record all-. Portable: light and thin body, free to wear, when power on, it can be clipped to collar or shirt, and the weight is only 30g. Say goodbye to cumbersome, easy-to-record creations. Built-in DSP chip: DSP intelligently filters ambient noise with reverberation effect, so the anchor can sing more beautifully. Long-lasting battery life: built-in polymer battery, small size and large capacity, safer, charging by TYPE-C, can be used for about 4 hours after full charge. Application: live broadcast, conference, interview, recording, etc. Specifications: Pickup Method: Omnidirectional Frequency Range: UHF550-950 MHZ Default frequency: 50. Frequency Response: 75Hz-18kHz 3dB Maximum deviation frequency: 50kHz Power Consumption: 80mA Signal-to-noise ratio: andgt 98dB Power Supply: 450mA Usage time: andgt 4 hours Product Weight: 30g Effective working distance: 0-30M (obstacles) or 50M (open ground) Size Chart: 4,6x4,6x1,5 cm or 1,81x1,81x0,59 inch The package includes: 2-Piece Microphone Transmitter 1 piece microphone receiver 1 piece mobile phone connection line 1 piece camera connection cable 1 piece charging cable 1 piece instruction 1 piece box