JBL VM-877 chargeable wireless microphone adjustable volume professional microphone

Using the UHF ultra-high frequency band, compared to the traditional VHF frequency band, the interference is smaller and the transmission is more reliable. The effective distance in an open environment can reach 80 meters. 100 optional channels, U-band frequency modulation, supporting multiple sets of engineering use. The dynamic advanced pickup head has high sensitivity and broadband response, which can display the original timbre of male and female voices. Adopting advanced audio compression circuits, effectively suppressing the generation of noise. Precision circuit design can meet normal use under harsh temperature conditions. The transmitter uses an 18650 lithium battery, with a battery life of up to 6-8 hours. Special power saving mode to save battery power.- However, if you receive an incorrect/incomplete parcel, please contact us within 24 hours upon delivery.- After contacting us, you may submit a Return/Refund Request. You may be ask to share some photos such as images of the product and the packaging received, for us to determine the damage or defect prior to approving the request- Please make sure that the product is in its original packaging with all accessories when you return it. The refund will be process after we received the return item on its original condition.NOTE: All units will be tested and packed well before ship out. The item damaged due to logistics is not included in this policy.NOTE: The guarantee does not apply to accessories ,freebies, damages due to misuse and negligence of customer.