USB C to HDMI Adapter 4K Cable USB 3.1 HDMI for MacBook Samsung Galaxy S10

Product descrtion:USB C to HDMI adapter can connect your usb c-port laptop or mobile phone(supporting DP Alt mode) to HDMI display, TV or projector, support 4K audio and video synchronous transmiion, on the big screen.You can also enjoy super lifelike pictures. Support both mirroring and expansion modes.(youe host device must support this feature.)If intend to display 4K content, please make sure that both your input and output devices can support 4K resolution.Note:Not all USB-C interfaces are compatible, ONLY works for USB-C 3.1 or thunderbolt 3 port interfaces which support "DisplayPort Alternate Mode".The type c to HDMI adapter only compatible with USB-C 3.1 and Thunderbolt 3 port. (PS: It may take longer time to sync for devices with USB 3.1 Gen 1 and Samsung Galaxy S9/S8)Compatibility list for USB-C DP ALt Mode phones(A full list currently):For LG G5, LG V20,LG V300LFor HTC U12+,U11+,U11,U Ultra,HTC 10For Microsoft Lumia 950/950XL,Alcatel Idol 4s,For Samsung Galaxy S10+,S10,S9+,S9,S8+,S8,Note 9,Note 8For Huawei P30 PRO,P30,P20 PRO,P20,Mate20 PRO,Mate20,Mate20X,MateRS,Mate10PRO,Mate10, Honor V20,Honor Note10Compatibility list for laptops(Not a full list):For iMac/iMac Pro 2018,The Newest MacBook Pro 2016/2017/2018,ad Pro/MacBook Air 2018, 12" Retina Display For MacBook 2015/2016For New Microsoft Surface Book 2,Surface GoFor Google Chromebook PixelFor Lenovo Yoga 900/910/920/720, ThinkPad P50/P70For Dell XPS 15 9550,Dell XPS 13 (9350/9360/9370),Dell XPS 12 2-in-1 9250Package included1 x Type C to HDMI CableQueation 1: it doesn't work. From phone to tv via hdmi signal no1. Make sure your phone is compatible with Type C cable2. The signal source must be selected correctly: The TV needs to be tuned to the HDMI source 1 to 1.Plug in the 1st HDMI needs to be tuned to HDMI1; Plug in the 2nd HDMI needs to be tuned to HDMI2 Queation 2: Works, but bad contacts. Sometimes it stops showing the monitor if you touch the wire.When using, please ensure that the HDMI（male）is in good contact.

About shping
Shping 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 e areas,it may take a little longer). 

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