Item description Sennheiser EW135G4 One To Two Wireless Microphone System Live Stage Singing Mic UHF Long Distance Professional Handheld Mic About our store All products in our store are authentic products authorized by Original. Please feel free to buy Before purchase: After receiving and purchasing the product,send a screenshot to customer service, register for priority shipping. After you purchase, our products need to undergo strict inspection and testing before shipment to ensure their quality. Please rest assured that we will send it to you as soon as possible. If you encounter any problems, please contact our customer service as soon as possible, and we will actively solve them for you.