Opened but never used. As bought for a adapter but it's the wrong one. originally cost £19 on amazon. SUPERIOR STABILITY - Built-in advanced IC chip converts HDMI TMDS signal to DisplayPort digital signal; It is NOT a bi-directional converter and cannot transmit signals from DisplayPort to HDMI ULTRA 4K@60Hz RESOLUTION: The adapter is fully compatible with DisplayPort 1.2a, HDCP 1.3/1.4/2.2, HDMI 2.0 and HBR2(High-Bit-Rate 2) specifications.
