Saramonic Blink500 TX+TX+RX is a east to use wireless microphone system that can work well with DSLR, Mirrorless, Video camera, Mobile Phones etc 
 Light-weight and ultracompact, just clip it to your collar directly for two-person interviewing. 
 Adjustable Three level sound volume. Adjust the audio level by +&- button 
 With built-in Mic and battery, it can work last 6 hours. 
 Saramonic Warranty: 12 months product warranty and post-sales service, if you are not satified with our product, please contact us