Handheld Wireless Microphone Transmitter With an interchangeable SM58® microphone cartridge, the QLXD2/SM58 Handheld Wireless Microphone Transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Works with QLX-D® Digital Wireless Systems Offers up to 9 hours of continuous use with 2 AA alkaline batteries or up to 10 hours of continuous use with Shure lithium-ion rechargeable batteries Includes QLXD2/SM58, 2 AA batteries, battery contact cover, microphone clip, and user guide The QLXD2/SM58 Handheld Wireless Microphone Transmitter works with QLX-D Digital Wireless Systems. Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation. QLXD2 WIRELESS HH WSM58 HEAD from Shure is 100% original and is available at Edge Electronics. Speak to our expert for booking a live demonstration. After sales customer service is an integral part of our business ethic and is taken very seriously.