How much does this cost to the nearest dollar?

Saramonic Wireless Lavalier Microphone System, PRO B8 2.4G Wireless Lapel 4 Transmitters & One Receiver for DSLR Camera Camcorder Smartphones Interview Vlog YouTube Video
Superior Sound Quality -- The Saramonic Pro B8 is an incredibly lightweight, ultracompact, and easy-to-use four-channel wireless microphone system for up to 4 people. The kit comprises four Pro TXS transmitters and one Pro 4RX receiver. The microphone delivers exceptional and stable sound to DSLR, mirrorless DSLR, video cameras, smartphones, tablets, computers, recorders and more. Wide Compatibility -- Perfect for DSLR Camera, Camcorder/ Android and iPhone Smartphone (iPhone adapter sold separately)/ iPad, tablets etc 164ft Wireless

Price is $399.00

Price: $399