Customer: Hello, I have some questions to know about this unit. Can you help me?</br> Seller: Yes, we can. Please show your questions.</br></br>Q1: How do I program my Xbox one remote control?</br>A1: You can use it directly. It is programmed for xbox one, xbox one S, xbox one X. </br>Just need line-of-sight to the box. </br></br>Q2: How do I use the learning functions to control TVs, Soundbars, DVD ?</br>A2: At first you must have the Original IR remote. Then follow the instruction steps to set up. </br>If you have any question when using, you can send Email to us. We will do our best to help you.</br></br>Q3: Sometimes we received the unit without instructions. How can I get it ?</br>A3: It is a good question, firstly, I would present my sincere apologies for the problem you encountered. You can contact our customer service to sent you PDF instructions before you want to return. </br>We can do our best to ensure your 100% satisfaction.</br></br>Q4: Which TV Brand Model can be learned ?</br>A4: This unit is a IR remote,and it can Work for all Roku player Via IR</br> (eg: Vizio soundbars and tv / Samsung / Vizio / LG / Sony / Sharp / TCL / Philips, Roku / RCA /Panasonic / Smart TVs / Blu-ray / DVD etc. ). </br>Except Roku Sticks& Built-in ROKU TV. But you must have the Original remote. If you have not the original remote. I just want to say it is not fit for your TVs or other devices.</br></br> Q5: Will you talk about your guarantee ?</br>A5: Yes, we offer 180-day guarantee.During the time, We will try our best to issue your problems, Give you a refund or make an exchange for you per our 6-month warranty.</br></br> Note: Welcome to contact us if you have any questions. Thank you.