● Train With Purpose
Stay in your optimal zone and push every workout further.
● Stay Fully Connected
Your performance, tracked seamlessly across your training ecosystem.
● Move Without Distraction
Secure comfort that lets you focus only on the workout.
● Built for Relentless Training
Designed to keep up with every intense session.
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Amphibious Kinetic Vault & Oximetry

Drop the phone. Enter the water. The Pheuw® x XOSS Beat Band Pro (BBP) isn't just a heart rate monitor; it's a fully amphibious biometric vault. Engineered with independent offline recording and IPX8 submersible defense, this tactical armband allows you to train in total isolation, capturing elite metrics like Blood Oxygen (SpO2), Step Cadence, and Heart Rate Variability (HRV) without ever carrying a device.
Biometric Output Metrics
You don't need a phone strapped to your arm to capture world-class data. The BBP features standalone internal memory—just strap it on, execute your swim, run, or combat drills, and sync the kinetic data to your app when the mission is over. When your heart rate redlines, a built-in haptic motor physically vibrates against your skin, providing an instant tactical warning to adjust your output.
| Feature | Engineering Detail |
|---|---|
| Kinetic Sensors | Tracks Heart Rate, Blood Oxygen (SpO2), HRV, and Step Cadence |
| Tactical Storage | Independent offline recording allows phone-free training and swimming |
| Feedback System | Haptic vibration alerts warn you instantly when exceeding max heart rate |
| Element Defense | IPX8 Waterproof Rating — Fully submersible for aquatic combat and swim training |
Performance Radar
Knowing your heart rate is only half the battle. The BBP actively monitors your Blood Oxygen (SpO2) levels and Heart Rate Variability (HRV) to gauge your exact recovery status and fatigue limits. It broadcasts seamlessly via Bluetooth and ANT+, syncing with top-tier ecosystems when you are ready to upload your offline data.
Complete autonomous tracking capability right out of the box.
| Component | Specification |
|---|---|
| BIOMETRIC SENSOR | 1x XOSS Beat Band Pro Unit |
| POWER SOURCE | 1x Magnetic Fast-Charging Cable |
| TACTICAL STRAP | 1x Breathable Adjustable Armband |
⚠ TACTICAL NOTE: For swimming operations, activate the offline recording mode before entering the water. Bluetooth/ANT+ signals do not transmit effectively underwater, making the BBP's internal storage critical for aquatic training.
Manufactured in Singapore
Our pieces are made in Singapore with trusted partners who match our quality standards.
Shipping (USA)
Tracking
A tracking number is emailed once your order ships.
Need help?
Email: contact@pheuw.com
We reply within 24 hours.
Pheuw® Strap heart rate monitor