1. Small and portable, lavalier wear, low power consumption and battery life, without cumbersome wiring.2.Professional studio-grade condenser microphone core, high-sensitivity pickup, internal use of high-quality chips, providing a wider frequency response, higher smooth and fast processing sound pressure level, and stable output sound quality3. Built-in noise reduction technology, to eliminate and filter a variety of noises for different noise environments, 2.4G wireless reception, using 24G wireless transmission technology, up to 8-15 meters receiving distance, stable sound quality, clear and non-stop4. Built-in omnidirectional condenser microphone core, 360° omnidirectional pickup, not letting off every sound, calmly coping with various occasions5. Adapt to a variety of different recording devices, suitable for IOS system, Android system, suitable for mobile phones, SLRs, mirrorless cameras, sports cameras, pocket cameras, camcorders, tablet notebooks, sound cards, etc.Microphone type: condenserApplicable objects: mobile phones, home, computers, cameras, recording, interviewsProduct name: wireless microphoneMicrophone core type: capacitiveDirectivity: omnidirectionalFrequency response: 50Hz-18kHzImpedance: 600ΩSignal to noise ratio: 70dBEffective distance for open and barrier-free use: 15 meters ± 3 metersCharging time: 1.5 hoursBattery capacity: 350mACharging input: 5V/1AWireless: NoPointing characteristics: omni-directional/no-pointingChannel: 2Input voltage: 5VWith or without bracket: YesBluetooth protocol: 4.0Smart type: Smart is not supportedsize:62 x 24 x 15mmMaterial:ABScolour:blackPackage Contents:1 x microphone1 x receiver1 x transmitter1 x bracket1 x type charging cable1 x 3-pole to 4-pole audio cable1 x 3-pole audio cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.