Item Type: Wireless Microphone Material: ABS+sponge Working Distance: 10 meters unobstructed Transmission Delay: 25ms Power Connector: Type C Power Supply: AG13 button battery 70mah (Battery Included) Voice Frequency Response: Stereo 48K Working Time: 3-4 hours Weight: Approx. 70g / 2.5ozColor: Black 1、[Long Service Life] Video recording microphone built in 70mah battery, long lasting battery life of 3‑4 hours, uninterrupted power, to meet your various need.  2、[Automatically Connect] Get rid of the shackles of wired, Bluetooth automatic pairing, no need for cumbersome operations, power on and plug in the receiver to automatically connect.  3、[10m Wireless] This high performance wireless microphone, barrier free connection, with stable signal, 10 meters unobstructed distance, so you can use it with confidence.  4、[Durable Material] Live stream microphone is made of high quality ABS and sponge material, with Type‑C power connector, which is safe and durable.  5、[Widely Application] Widely used in short video recording, outdoor, live recording, and easy to deal with in various noisy environments.