Parents of newborns and young children often lack continuous, objective insight into their child's vital signs, making it difficult to detect early health changes or respond promptly to distress, especially when away from home.

Lilio is a German‑engineered wearable that continuously monitors a baby’s heart rate, blood‑oxygen saturation, and skin temperature. The sensor module attaches to a soft, adjustable wrist or arm band and transmits data via Bluetooth or Wi‑Fi to a dedicated iOS/Android app. The app displays real‑time readings, allows parents to set custom alert thresholds, and sends push notifications if measurements fall outside safe ranges. A built‑in microphone in the base station provides a baby‑phone function, streaming audio to the app so caregivers can hear their child remotely. All data are stored locally on the device and synced securely to the cloud for historical trend review, while the rechargeable battery is recharged on the base station without the need for battery replacement.

Continuous measurement of heart rate (80‑180 bpm), SpO₂ (80‑100 %) and skin temperature with updates every 2 seconds

Adjustable silicone band in two sizes for newborns (≥2.5 kg) up to 5 years, with a secure Velcro closure that resists self‑removal

Water‑resistant sensor module (safe for hand‑washing or brief exposure to water) and up to 16‑20 hours of battery life per charge

Dual connectivity: Wi‑Fi for home use and automatic Bluetooth fallback for travel or out‑of‑range monitoring (8‑10 m range)

Integrated baby‑phone base station with microphone, acting as both charger and audio monitor

iOS and Android app with real‑time vitals dashboard, customizable alert limits, and historical trend graphs

Secure data handling with encrypted transmission and optional cloud storage for longitudinal health records

Primary users are parents and caregivers of infants and toddlers (birth to 5 years) who seek continuous health monitoring at home or on the go.