OREI 4K HDMI Matrix Switch 4 X 2, Switcher 18G UltraHD with Arc Supports upto 4K @ 60Hz & 1080P IR Remote Control - Full Matrix Selection (UHD-402) 4X2 W/ ARC 4K@60HZ Matrix Audio sold2021 Other ear muff protection headphones

Other ear muff protection headphones don't cancel out enough noise or can be considered unsafe

Magnetic Design Easy to Connect: Nd-Fe-B magnet

This new connector type can be adapted to the older 4-pin and 6-pin connector

iMac (before 2017)

360 degree bend without worrying about joint fracture

OREI 4K HDMI Matrix Switch 4 X 2, Switcher 18G UltraHD with Arc Supports upto 4K @ 60Hz & 1080P IR Remote Control - Full Matrix Selection (UHD-402) 4X2 W/ ARC 4K@60HZ Matrix Audio sold2021 Other ear muff protection headphonesOREI 4K HDMI Matrix Switch 4 X 2, Switcher 18G UltraHD with Arc Supports upto 4K @ 60Hz & 1080P IR Remote Control Full Matrix Selection (UHD 402) 2. 0a (18Gbps) HDMI 4 input into 2 Output matrix switcher supports highest video resolution up to 4K x 2K at 60Hz), EDID bypass, full 3D and HDCP2. 2 complaint. Supports PCM, Dolby True HD, DTS HD Master Audio up to 7. 1 ch. Digital and analog audio output. Product Features HDMI Matrix: 4 Input 2 output HDMI