If you connect VGA to Monitor from your laptop, and VGA cannot transmit audio, audio can only be connected by connecting the audio cable from the external speaker adapter.If you connect to view 2 monitors at the same time, please be well known that your all 2 external monitors will show the same images.VGA and HDMI can connect at the same time.External power supply support. You could connect the external power supply via Micro-B-5V port to charge your power adapterAudio and video transmission from computer or tablet for HD TV via HDMI. Support video resolutions up to 1920x1080 p (Full HD) and impeccable audio pass-thru.Which Allow You to Connect Laptops / Computers / Video Cards with VGA Port for External Monitors with HDMI VGA and Ports via an HDMI VGA and DVI DVI Cable (Sold Separately)Material:plasticcolour:blackPackage Contents:1 * Four in one ConverterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.5870. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! ! !