WHOOP 4.0 Uses Nordic’s SoC to Supervise Sensors and Relay Data to Smartphone App

Whoop 4.0 Health Monitoring Wearable Device

WHOOP has launched a health monitoring wearable ‘WHOOP 4.0’ that can perform continuous physiological data monitoring for up to five days without requiring recharge. This device monitors the wearer’s heart rate, heart rate variability, blood oxygen saturation, sleep data, strain, and skin temperature, and can be worn on the wrist, bicep, or discreetly enclosed within specially designed ‘WHOOP Body’ technical garments. Powered by Nordic’s nRF52840 Bluetooth LE SoC, the 64 MHz, 32-bit Arm Cortex M4 processor with floating point unit (FPU) provides ample computational resource to power WHOOP proprietary algorithms and supervise the on-board sensors. 

Designed to be worn 24/7 for around-the-clock data collection, WHOOP 4.0 employs Sila’s novel silicon anode material, boosting the energy density of the wearable’s battery by nearly 20 percent. The data is relayed to a smartphone using Bluetooth LE wireless connectivity and accessible via the ‘WHOOP’ app where members can get health insights, see improvements and irregularities, as well as download health records.

WHOOP also includes a sustainability program to reduce e-waste by allowing wearers to ‘upcycle’ their WHOOP 3.0 when they buy the new model.

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