The wireless lavalier microphone by Cyllde is a black plastic microphone with an omnidirectional pickup pattern and a frequency range of 45Hz-20KHz. It has a peak output level of +3dBu and a maximum SPL of 100dB SPL. The microphone has a dynamic range of 102dBA and is powered by a built-in lithium battery that can be charged via USB. The package includes a receiver, transmitter, audio cables, USB cable, windshield, and a noiseproof ring. This microphone is ideal for live streams, meetings, interviews, and recordings. It is compatible with various devices such as computers, laptops, cell phones, digital cameras, and recorders. The microphone is adjustable and lightweight, making it easy to carry for flexible movement. The ASIN is B0BFJ83FM1 and the item model number is Cyllde9cguvqefb5. Made in China.