{"niche":"哪种汽车头枕支架提供最多的可调节功能？","description":"Which car headrest mount offers the most adjustability features?","products":[{"brand":"Arkon","model":"HMHD005 Heavy-Duty Headrest Mounting Pedestal with 10 Arm","price_gbp":52.82,"origin_country":null,"specs":{"swivel_range":"360","mounting_style":"Adjustable clamp onto headrest posts"},"confidence_score":null,"sources":[{"label":"Arkon Mounts","url":"https://arkon.com/products/hmhd005-ipad-car-mount-headrest","currency":"USD","source_country":"US","price":69.95,"price_gbp":52.82,"scraped_at":"2026-06-23T20:42:02.586175"}],"summary":"Arkon's HMHD005 Heavy-Duty Headrest Mounting Pedestal adds a 10-inch adjustable arm for positioning a compatible Arkon tablet/phone holder for rear-seat viewing. It clamps to car/truck headrest posts and uses a swivel-ball joint for full horizontal/vertical orientation. It's designed for rear passenger entertainment such as road trips, taxis, or limo use.","ideal_for":"For maximum headrest adjustability, HMHD005 pairs a 10-inch adjustable arm with a 360° swivel-ball adapter for extensive positioning of the mounted device."},{"brand":"Arkon","model":"TAB3-RSHM Center Extension Car Headrest Slim-Grip® Tablet Mount for iPad, Note, and more","price_gbp":42.93,"origin_country":null,"specs":{"swivel_range":"360","mounting_style":"2-post headrest (headrest clamp)","max_device_size":"18.4","telescopic_extension":"24"},"confidence_score":null,"sources":[{"label":"Arkon Mounts","url":"https://arkon.com/products/tab3-rshm-tablet-headrest-mount-ipad-holder","currency":"USD","source_country":"US","price":64.95,"price_gbp":49.04,"scraped_at":"2026-06-23T20:42:02.586175"},{"label":"Techbuy Australia","url":"https://www.techbuy.com.au/p/190025/TABLETPC_TABLET_PC_ACCESSOIES/Arkon/TAB3-RSHM.asp","currency":"USD","source_country":"US","price":56.85,"price_gbp":42.93,"scraped_at":"2026-06-23T20:42:02.586175"}],"summary":"This center extension car headrest tablet mount clamps to 2-post headrests and positions a tablet centrally for rear-seat viewing. It supports tablet screen sizes from 7 in to 18.4 in, with a Slim-Grip holder and a 360° swivel for portrait/landscape viewing. The rigid extension arm adjusts from 15 in to 24 in to help you angle the tablet for passenger viewing.","ideal_for":"如果你想要头枕安装支架中最强的可调节性，这款型号将 360° 万向旋转与 15 in 到 24 in 的伸缩/可延长手臂结合在一起，让你可以精细调整方向与伸展距离。"}]}