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Fitbit founders launch Luffu Link, an LTE health and safety band
Fitbit创始人打造的LTE健康安全手环，实时监测家人状态，紧急求助一键直达，是家庭照护的智能卫士。
Luffu Link combines all day health sensing, voice logging, location awareness, and the ability to get help from trusted contacts into a single device,…