•Equipped with noise reduction chip: Not only does it have good reception,but it also has better sound quality,invite a professional tuning room to repeatedly tune to provide better sound quality •Plug and play without delay: True 2.4G wireless technology,20m stable transmission,true wireless connection in 1 second,no need for a connecting adapter cable •Ultra clear and loud sound: Pure,delicate and vivid sound reception,the chewing sound of eating and the gurgling sound of drinking water are all truly recorded,making the audience feel overwhelmed •Easy to carry: With a compact size charging case,easy to use anytime,anywhere. Record and shoot outside,super convenient to carry with you Specifications: •Chipset: JL6973 •Microphone: digital silicon •Input voltage: 5V •Battery life: 4-5 hours •Battery capacity: 40mAh for microphone,230mAh for charging bin •SNR: 64DBM •Transmission delay: 15mms •Frequency response: 20HZ-20KHZ •Sensitivity: -38DB •Transmission distance: 20 meters without obstacles Package included: •2 x Lavalier Microphone •1 x Receiver •1 x Charging Case •1 x Charging Cable •1 x English User Manual