Esi M4U Ex: Eight-Port Usb 3.0 Midi Interface - Plug-And-Play, Standalone Product Details ?VERSATILE USB 3.0 MIDI INTERFACE: Offers plug-and-play connectivity with 8 adaptable MIDI ports for extensive control, eliminating the need for driver installation. ?DYNAMIC CONFIGURATION: Automatically configures up to 8 inputs or outputs, visualized with intuitive colored LEDs, ensuring seamless setup and real-time flexibility. ?CENTRAL HUB DESIGN: Features a built-in USB 3.0 hub with three connectors, transforming your setup into a comprehensive station for all MIDI and USB devices. ?STANDALONE OPERATION: Engineered for the lowest latency in its class and impeccable timing, it functions independently of a computer, offering diverse MIDI routing and merging capabilities. ?UNIVERSAL COMPATIBILITY: Works effortlessly with Windows and macOS, promising unmatched performance for professional studios and live performances alike. The optional ESI MIDI Port driver for Windows supports complex multi-device and multi-client operations, expanding your studio's capabilities. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.