Product name: HDMI 2.1 high-definition adapter<br> Shell material: aluminum alloy<br> Features:<br> 1. Synchronous audio and video transmission, large screen display, realistic picture. Bring you a different office experience<br> 2. Arbitrary extension of long-distance transmission, two compatible HDMI short lines connected into one line, can achieve longer distance transmission, easily solve the problem of insufficient length of decoration/pre-buried line<br> 3. Aluminum alloy shell protection, aluminum alloy shell, fast heat dissipation, wear-resistant and anti-fingerprint to enhance computer protection<br> Note: To achieve 8K effect, you need to be equipped with 8KHMDI line and support 8K equipment to achieve<br> Single gross weight: 20g<br> Packing method: bagged<br> Packaging includes: adapter*1<br>Note: <br>1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. <br>2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!<br>About Shipping: <br>1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly.<br>2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.<br>3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!