Product information: 

Microphone type: dynamic
Yes wireless: Yes
Pointing characteristics: omni-directional/no-pointing
Channel: 2.1
Input voltage: 5V
With or without bracket: Yes
Bluetooth protocol: 4.1
Shell technology: ABS built-in storage
Battery capacity: 300 mAh-500 mAh
Battery life: more than 12 hours
Signal to noise ratio: ≥70db
Frequency response range: 100HZ-20KHZ

Features:
Unlimited wireless free recording, 2.4G wireless high performance, stable signal;
Microphone adopts: 360° high-sensitivity omni-directional microphone head, which responds quickly, and has delicate sound, and records every detail of the sound;
Noise-reducing sponge: adopt high-density, spray-proof and noise-reducing sponge to reduce the interference of the surrounding environment;
Easy to use: plug and play, simple operation, power on and plug in the receiver, then it can be automatically paired;

Packing list :
Wireless label, sponge, receiver, charging cable*1