Dual Wireless Mic Uses 1 x AA battery per mic Comes with carrying case, USB dongle and USB extension cable Works with AI Karaoke Function on the following models only 4T-C55HU8500X 4T-C65HU8500X 4T-C75HU8500X 4T-C85HU8500X 4T-C55HN7000X 4T-C65HN7000X 4T-C75HN7000X 4T-C98HN7000X 3 Months Warranty
