Luffu Link

Screen-free family health and safety wearable combining continuous wellness tracking, AI voice logging, location awareness and LTE-connected safety features,...

Luffu

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Specifications

Form factor Wristband/Watch Battery life Up to 5 days OS / Platform Compatibility with iOS, Android Water resistance 5 ATM, water resistant up to 50 m Release date Aug 26, 2026 Connectivity Bluetooth Cellular (4G) AI features Cloud AI Voice Assistant Health Monitoring Sensors Activity Steps Sleep Heart rate HRV Breathing rate Primary use cases Personal Assistant Communication Health & Fitness Security Colors Halo Gold Onyx Black Sterling Blue

Additional information

4G LTE-M, onboard GPS, built-in speaker, AI voice logging, activity/steps/sleep/heart-rate/HRV tracking, emergency messaging to preset contacts, location sharing, double-tap check-in, works without phone for supported LTE features, LTE service included with no separate carrier plan, ~20+ min to 80% charge, 1+ hr to full charge, small and large silicone bands included, stainless-steel body, US cellular service only, Family Plan required.

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