The New WHOOP 4.0 Comes With Pulse Oximeter and Skin Temperature Sensor

WHOOP has introduced the next generation of its proprietary technology, WHOOP 4.0, a ...

The WHOOP 4.0 is two-thirds the size of the 3.0 (Photo: WHOOP)

WHOOP has introduced the next generation of its proprietary technology, WHOOP 4.0, a personalized 24/7 digital fitness and health coach. The new technology leverages an upgraded sensor configuration for optimal accuracy and includes WHOOP Body featuring Any-Wear™ Technology, a first-of-its-kind line of smart apparel which enables members to wear their WHOOP 4.0 in multiple locations across the body.

Read more: Sila’s Breakthrough Battery Technology Makes Its Commercial Debut In The New WHOOP Fitness Tracker

WHOOP members will receive first access to upgrade to WHOOP 4.0 free of charge. WHOOP 4.0 will also be available for purchase for new healthcare, government, business, and athletics customers, WHOOP said in a press release.

“I've been thinking about this technology for more than a decade, and I can promise you that this is the most innovative product we have ever released,” said Will Ahmed, WHOOP Founder & CEO. "We've always aspired to develop wearable technology that is either cool or invisible. With the launch of WHOOP 4.0 and WHOOP Body, we have accomplished both."

WHOOP 4.0 features include:

  • Upgraded Sensor Configuration: The active sensor area now contains 5 LEDs (three green, one red, and one infrared), 4 photodiodes, and advanced algorithms to provide even more accurate heart rate measurements
  • 33% Smaller Size: WHOOP 4.0 is 33% smaller than WHOOP 3.0 with a five-day battery life
  • New Feature - Sleep Coach with Haptic Alerts: WHOOP 4.0 is engineered with haptic alerts that members can set to wake them up through gentle vibrations at the optimal time based on their sleep needs and cycles
  • New Feature - Pulse Oximeter: The upgraded hardware is equipped to calculate blood oxygen levels (SPO2) to help members unlock additional daily health insights
  • New Feature - Skin Temperature Sensor: WHOOP 4.0 measures skin temperature to provide members another layer of knowledge about their bodies
  • New Feature - Health Monitor: Members can track live heart rate, skin temperature, blood oxygen saturation, resting heart rate, heart rate variability, and respiratory rate in one view. The Health Monitor also allows members to easily download and export 30-day or 180-day trends of these metrics into a report that can be shared with a coach, trainer, PT, or physician
  • WHOOP Battery Pack 4.0: The upgraded battery pack built for on-the-go charging is now waterproof and lets members double tap to view battery level
  • Next Generation Battery Technology: WHOOP 4.0 is the first product in the world powered with Sila's silicon anode battery materials. Engineered with cell configuration improvements and long cycle life, the new battery delivers 17% higher energy density than WHOOP 3.0, facilitating a reimagined industrial design that also unlocks WHOOP Body

WHOOP Body featuring Any-Wear Technology enables WHOOP 4.0 to collect accurate data from areas including the torso, waist, and calf. This new collection of apparel is the first of its kind in the wearables industry and allows members to wear WHOOP 4.0 off of their wrists. In addition to apparel, WHOOP has developed new accessories and designs, including:

  • Fast Link Slider: WHOOP 4.0 is built with a new Fast Link slider that makes it easier than ever to swap WHOOP 4.0 between a variety of colorful bands and all-new WHOOP Body sensor-enhanced technical apparel
  • SuperKnit & HydroKnit Bands: WHOOP 4.0 includes a new SuperKnit band that comes pre-threaded and is constructed for ultimate comfort and durability. WHOOP will also release a HydroKnit band that is fast drying and optimized for water sports and activities
  • Any-Wear Detection: A novel location detection technology identifies when and where WHOOP 4.0 is on the body

Read more: WHOOP Acquires Sports Tech Startup PUSH To Unlock Deeper Strength-Training Insights

WHOOP Body featuring Any-Wear Technology is available in two collections with prices ranging from $54 to $109. The Training Collection includes sports bras, compression tops, leggings, shorts, and athletic boxers. The Intimates Collection includes bralettes and everyday boxers. WHOOP Body and SuperKnit Bands are only available in combination with WHOOP 4.0.

Sam Draper
September 22, 2021

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