1.Made of aluminum alloy for , high hardness, all-around protection, and resistance. 2.The quick-release accessory in combination with the clasp firmly secures for GO3/3S. 3.Magnetic Snap Fastener,Instantaneous adsorption, quick installation, press the fastener to detach at any time. 4.Magnetic folding desig,magnetic positioning, firmly attached without falling off, easily foldable when needed. 5.Bottom designed with dual interfaces: 1/4 screw hole and GO3/3S interface when folded up, providing more possibilities for expansion. 6.The weight is only 0.8oz(23g)and the thickness is only 0.62inch(16mm),making it more convenient to carry. 7.Shockproof Silicone Cushion,Fearless of cycling vibrations, further securing the camera to cope with high-intensity vibration scenes effortlessly. Colour:Black Material:Aluminum Alloy Package Contents: 1x Magnetic Quick Release Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.