Specification: Materal:Metal Color:?Gold Pac:120x90x26mm/4.72x3.54x1.02in Frequency Range:20-20KHz Signal Shielding:64dB Battery Capacity:80mAh Input Voltage: 4.8-5.4V Charging Current:About 64mA Charging Time:About 80mins Pointing:Omnidirectional Pickup The microphone compatible with smartphone,PC,camera and laptop. The microphone can be used for course teaching,recording,live streaming,office meeting,conference,vocal,interview,vlog,etc. Lavalier microphone is a wearable microphone and used in a wide range of applications. It can record all-round 360 degrees, effectively shield most of the environmental noise, all-round sound pickup, good recording effect can provide clear and accurate sound. Flater frequency response makes a better sound collection. The omnidirectional pickup allows signals from different orientations to be picked up. Package Includes: 1x Microphone 1x Charging Cable 1x Manual note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. The speaker supports U disk and TF card.Dual speaker stereo sound.