三星发布了第三代蓝牙追踪标签 Galaxy SmartTag3：更小的体积、更长的续航，并新增多项追踪与软件功能，包括跨系统支持，方便与朋友、家人共享查找信息。
与此前爆料一致，SmartTag3 采用"方圆形"（squircle）设计，类似第一代 SmartTag，但关键区别是没有钥匙环开孔——想把标签直接挂在钥匙或登山扣上，就得购买三星的保护壳。整机具备 IP67 防尘防水等级。
新设计带来的收益是实在的：SmartTag3 比 SmartTag2 小 35%、轻 33%，功耗效率再提升 10%，一颗可更换的 CR2032 纽扣电池可支撑 550 天常规使用，省电模式下可达 790 天。
以往 Galaxy SmartTag 只支持三星手机，新一代则扩展到 iOS。三星显然不指望 AirTag 用户因此倒戈，而是主打把查找信息分享给亲友，一起找行李、找宠物。是否支持其他安卓手机，三星尚未确认。
软件方面新增多类通知：可设定电子围栏，SmartTag3 进入或离开指定区域时提醒；移动侦测提醒可对更小的位移触发；位置历史则可回溯标签的移动轨迹。
Galaxy SmartTag3 将于 11 月在美国上市，售价 29.99 美元。
本文来源：https://www.theverge.com/tech/1002552/samsung-galaxy-smarttag-3-design-battery-price-features
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Samsung has launched the third-generation Bluetooth tracking tag, Galaxy SmartTag3: smaller size, longer battery life, and new tracking and software features, including cross-platform support for easily sharing find-me information with friends and family.
As previously leaked, SmartTag3 adopts a "square-circular" (squircle) design reminiscent of the first-generation SmartTag, but crucially lacks a keyhole for attaching rings or carabiners — requiring purchase of a Samsung case for direct attachment. The device boasts IP67 dust and water resistance.
The new design yields tangible benefits: SmartTag3 is 35% smaller and 33% lighter than SmartTag2, with a 10% improvement in power efficiency. A single replaceable CR2032 coin cell supports 550 days of regular use or up to 790 days in power-saving mode.
While previous Galaxy SmartTags were exclusive to Samsung phones, the new generation extends to iOS. Samsung isn’t targeting AirTag users for conversion but rather enabling collaborative tracking — such as sharing location info with relatives to locate luggage or pets. Support for non-Samsung Android phones remains unconfirmed.
Software additions include geofencing alerts (push notifications when entering/leaving defined zones), displacement detection (alerts for small movements), and location history (retrospective tracking of movement paths).
Galaxy SmartTag3 will launch in the U.S. this November at $29.99.