Upgraded Extension Cable: 8k/10K HDMI 2.1 extension cable is an upgraded version of the 4K HDMI 2.0 extender. It can not only realize all the functions of the 4k extension cable (4K@240Hz 4K@60Hz, etc.) but also solve the problems of a flickering screen, insufficient bandwidth, and other issues when using the 4k HDMI extension cord Ultra High Speed Cable: The 8K HDMI 2.1 extender cable has a data transmission speed of up to 48Gbps, almost 2.6× the speed of HDMI 2.0. Support resolution up to 7680 x 4320, refresh rate up to 10K@60Hz, 8K@60Hz, 4K@240Hz, Dynamic HDR. Support VRR ALLM with smoother game experience. Provide you with the most streamlined projection and home theater visual experience 2X Bold: Triple shieldings effectively protect against EMI interference, ensuring more stable signal transmission. This male to female HDMI extender cable has a stronger cable body than other ordinary 4K HDMI extender cables, whic h prevents signal loss and Transmission is more stable Upgrade Material: Flexible braided premium nylon and bend tested for 10,000+ times. Nickel-plated ports are not easy to drop and are more durable Widely Compatible: The HDMI male to female extender cord is Compatible with HD Television, TV Stick, Chromecast, Roku streaming media players, Blu-Ray DVD player, Gaming Consoles, Satellite Box, AV receivers, TV Box, Boxee, Xbox360, Xbox One S, PS5, PS4, PS3, PSVR, Nintendo Wii U, Oculus Rift VR headset, windows 10 PC stick, wall-mounted TV, HDMI Selector Box, PC, etc NOTE: To ensure 10K/8K@60Hz/4K240Hz, the 1.5-6.6ft extension cable can be connected to 8K HDMI male cable (30AWG) should not exceed 6.6ft(2m), and the 6.6ft extension cable can be connected to 8K HDMI male cable ( 30AWG) should not exceed 3.3ft(1m) UGREEN 8K High Speed HDMI Male to Female Extension Cable Extend your existing HDMI devices or protect your HDMI interface on your high definition devices. Connect your HDTV with your TV stick, Roku Stick, Chromecast, Blu-Ray Player, 3D Television, Boxee, Xbox360, PS5/PS4/PS3, Oculus Rift, HD Cable Box, PC or any HD device with an HDMI output. Then you could experience high quality audio and video from your home theater. Support ANY resolution to 8K Ⅱ. HDMI Ethernet Channel Deliver Ethernet data interconnectivity to compatible devices through the HDMI port so you don't need extra cables to get extended features. Ⅲ. Audio Return Channel (ARC) Allow the HDMI connection between a television and A/V receiver to transmit audio two ways, both upstream and downstream. This eliminates the need for a separate audio cable ensuring the high digital audio quality of HDMI. Ⅳ. Full 3D Support If your source and receiving device support 3D, this cable will work perfectly. Cable Specifications and Additional Features 100% Backward compatible with all previous HDMI versions Important Notes 1. To ensure 8K@60Hz, the total length of the HDMI extension cable and connected HDMI male cable should not exceed 3m(10ft). 2. To ensure 8K @60Hz 4K @120Hz 4K @60Hz, the total length of the HDMI extension cable and connected HDMI male cable should not exceed 5m(15ft).