Why choose HDMI switch? HDMI 2.0b/HDCP2.2 compliant Support highest resolution up to 4K 60HZ,3D Support deep color 8/10/12 bit Support 3.5mm earphone jack and optical audio output Supports mixed 4K & 1080p display outputs one 4K video source device can simultaneously display 4K content to 4K monitor(s) and 1080p content to 1080p monitor(s) via downscaling. **NOTE: Does NOT support resolution downscaling from 4K2K @60Hz 4:2:2 to 1080P. Tips: In order to make them works more perfectly,We suggest you connect 4k monitor(s) to output A port on the HDMI switcher. Package Includes 1xHDMI Switch 3 in 1 out with audio extractor 1xRemote Control 1xpower adapter 1xUser Manual ant Notes 1.If you want to use the HDR, your HDMI input and output devices must be support HDR 2.To get 4K 60Hz output, make sure the inputs are 4K 60Hz 3.We recommend using 4K High-Speed HDMI 2.0 cable 4.Choose optical audio out, you can enjoy 5.1CH or 2CH or audio copy.Choose 3.5mm audio out, you can enjoy 2CH or audio copy. About shippingShipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .Your 100% satisfaction is very ant to usIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.