Features: brand new and high quality 360 Omnidirectional Pickup: Record every detail of the sound, high-density anti-spray sponge, high-sensitivity microphone, 360 no dead angle, fast response, fine pickup, and reduce the interference of the surrounding environment. 50 Meters Barrier-free Connection: Recording more freely, high-performance wireless microphone, stable signal, barrier-free distance of more than 50 meters, free recording is not limited. Excellent Quality of Lossless Noise Reduction: Powerful noise reduction system, anti-interference and anti-howling recording without distortion, even in a noisy environment can clearly capture the sound that needs to be recorded. More Stable Performance: High-quality copper core and tinned copper core prevent external interference and maintain stable signal transmission. Plug-and-play: Get rid of wire constraints, automatic pairing, no tedious operations, power on and plug in the receiver to automatically connect. Specifications: Frequency Range: 2.4ghz Charging Current: About 65ma Frequency Response Range: 20-20khz Battery Capacity: 80mah Transmission Delay: 9ms Working Time: About 10h Signal to Noise Ratio: 64db Charging Time: About 80min Input Voltage: Dc4.8-5.4v Microphone: Digital Microphone Material: ABS Color: Black Product Dimension: approx. 125x93x27mm/4.92x3.66x1.06inches Net Weight: 100g/0.22lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC Mini Video Shooting Lavalier Microphone