A Usb In-Out Midi Interface Professional Piano Keyboard To Pc/Laptop/Mac Product Details Instructions: 1. Connect the cable marked "In" to "Out" on MIDI keyboard, "Out" to "In" on MIDI keyboard. 2. Plug the USB to Laptop/PC/Mac, LED indicator will show the power on. 3. Open music software program. 4. Set the music software programs MIDI IN/OUT device to USB-Audio-Device. 5. USB MIDI Interface is now ready for use. Attention: - If any quality problem: 60 Days Money-Back 6 Months No-Hassle Replacement Please feel free to E-mail us if any problem. Thanks a lot! MIDI to USB MIDI Interface GREATLINK USB MIDI Interface is a 1 in 1 out USB 16 channel MIDI interface to connect your MIDI compatible controller, keyboard, synthesizer, or drum machine to your computer. USB bus-powered, compatible with Windows and Mac. If your Mac USB Port is USB-C (Thunderbolt 3), please use original authentic USB-C to USB Adapter from the manufacturer or MIDI interface may not work. 6.5ft USB to MIDI DIN 1 In 1 Out Cable 1 x USB MIDI 1 In / 1 Out Interface 1 MIDI in / 1 MIDI out interface, 16 MIDI input output channels. Plugs and play, with a built-in driver and LED indicator. ||Attention||: The device does not transmit sysex data. Ultra low latency MIDI Input and Output. FL studio12, DirectMusic, CoreMIDI, Cubase, Sonar, MIDI Connections, etc. Supported. 6.5ft USB to MIDI DIN 1 In 1 Out Cable, USB bus-powered. Compatible with Windows XP, Vista, Win 7, Win 8, Win 10 and Mac OS X. | Attention: If your Mac USB Port is USB-C (Thunderbolt 3), please use original authentic USB-C to USB Adapter from the manufacturer or MIDI interface may not work.| 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.