Hollyland LARK M2 DUO 2-Person Wireless Camera-Mount Microphone System (2.4 GHz, Shine Charcoal)LARK M2 is a lightweight wireless microphone weighing only 9 grams. It is perfect for vloggers, podcasters, filmmakers, and others who want to effortlessly record professional audio for their videos. With lossless sound reproduction and a 40 hour[1] battery life, it delivers high quality uninterrupted audio recording every time. For Mobile Journalism, Content Creation 2 x Transmitters with Built In Omni Mics Dual Channel Camera Mount Receiver Clip On,