• Realize long-distance high-definition radio for webcasting, video VLOG shooting, interview radio, video teaching, and other occasions
• Automatic noise reduction, reverb, monitoring, external playback, and mute, can charge the cell phone while broadcasting
• Wireless pair connection, power on automatic connection, simple operation, support one to two double-use
• Can be used for cell phones, computers, and other devices without an APP
• Comes with a charging compartment, so you can charge the microphone, convenient storage, and portable out of the house

Specifications:

• Microphone: digital mic
• Input voltage: 5V 
• Battery capacity: 70mAh 
• Charging case battery: 300mAh 
• Endurance: 6 hours 
• Signal-to-noise ratio: 64DBM Adaptive noise reduction 
• Transmission Delay: 30MS 
• Sensitivity: -42DB 
• Frequency range: 20-20KHZ 
• Transmission distance: 15 meters without obstacles

Notes:

• Laptops need to be set to microphone input before use
• Only for Typ-C devices with OTG function (better production after 2019)
• Some Android phones need to activate the "OTG" function when plugging in the USB-C receiver