K13 Wireless Clip Mic Wireless Lavalier Microphone (2 Microphone+1 Receiver) with Charging Station Facilitates long-distance high-definition audio capture for online streaming,video VLOG filming,interview recording,video tutorials,and more Features automatic noise reduction,reverberation,monitoring,external playback,mute functions,and the ability to charge your phone while streaming Utilizes 2.4G wireless pairing,automatically connecting upon startup,with easy operation and support for dual-person usage Equipped with a Type-C interface,compatible with most laptops,desktops,smartphones,and other common Android interface devices (Android phones need to support OTG functionality,for OPPO/VIVO/IQOO/Realme brand phones,the OTG power needs to be enabled in settings for normal use) Comes with a built-in charging case for convenient storage and portability,allowing for microphone charging on the go Specification: Input voltage: 5V Battery capacity: 70mAh Charging compartment battery: 300mAh Battery life: 6 hours Signal-to-noise ratio: 64dBm adaptive noise reduction Transmission delay: 30ms Sensitivity: -42db Frequency response range: 20-20kHz Transmission distance: 15 meters-30 meters(barrier-free) Package included: 2 x Microphones 1 x Receiver 1 x English Manual 1 x Charging Cable 1 x Charging Station Other items not included