Enable multi-camera One-button quick release to quickly switch angles Free your hands {one shot throughout} First-person perspective, overhead panoramic perspective, desktop selfie perspective Sawtooth Pallet The inner panel is equipped with serrations to increase friction and that it not slip even during strong exercise tooth design One click to tighten, easily bite the shoulder strap All packs can be used, the upper spacing adjustment knob can fine-tune the tightness of the splint Magnetic + Buckle Double installation The magnetic automatically finds the lock position and can be locked by pressing lightly Product : Product name:V4 upgraded magnetic backpack clip Suitable models:Universal Color: As Shown Material: Metal Package Contents: 1 x 360° Rotation Backpack Clip 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.