NameJ13 Dual Wireless Lavalier Noise Reduction Microphone with Charging Case Clip Mic for Type-CCategoryMicrophoneColourBlackCountry of OriginChinaTransmission distance20 metersTitleJ13 Dual Wireless Lavalier Noise Reduction Microphone with Charging Case Clip Mic for Type-CPortsFor Lightning / Type-CMaterialABS + PCInput VoltageDC 4.8 – 5.4 VFeatureValueCharging TimeAbout 50 minutesSignal-to-Noise Ratio64 dBWorking TimeAbout 7 hoursModelJ13Frequency2.4 GHzInput CurrentAbout 65 mACompanyNon-BrandWeight0.12 Kg