BlueBerryAudioQuest BlueBerry 4K–8K 18Gbps HDMI cable combines superior materials and superior design to produce a superior entertainment experience. Featuring solid Long–Grain Copper conductors with AudioQuest’s Level–1 Noise Dissipation, BlueBerry is meticulously designed for enhanced sound quality and outstanding overall performance, significantly exceeding the performance of previous AudioQuest Pearl 18G HDMI cables. Of course, AudioQuest’s BlueBerry 18Gbps HDMI cable is guaranteed to have the 18Gbps bandwidth required for compelling features like 8K/30 video, HDR (High Dynamic Range) imagery, and eARC (enhanced Audio Return Channel).HDMI 2.1HDMI Specification 2.1 is the most recent update of the HDMI specification and supports a range of higher video resolutions and refresh rates including 8K/30.Variable Refresh Rate (VRR) & Auto Low–Latency Mode (ALLM)VRR – Reduces or eliminates lag, stutter, and frame tearing for more fluid and better–detailed gameplay by enabling the variation of frame rate based on the action on screen. ALLM – Enables a game console, PC, or other device to automatically trigger “game mode” in the display, enabling the ideal latency setting for smooth, lag–free, and uninterrupted viewing and interactivity.Solid Long–Grain Copper ConductorsAudioQuest’s Long–Grain Copper (LGC) conductors improve Noise–Dissipation.Level–1 Noise DissipationTo enhance noise–dissipation, all 19 HDMI conductors are Direction–Controlled to reduce RF Noise.eARC Enhanced Audio Return ChannelAn advancement over the previous Audio Return Channel (ARC), eARC simplifies connectivity and provides greater ease, including audio optimization and the ability to automatically discover associated audio components without manually scrolling through display settings.