WHOOP 4.0 Sensor vs WHOOP Life MG
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  WHOOP 4.0 Sensor |  WHOOP Life MG |
|---|---|---|
| Price | KSh 36,000.00 | KSh 50,500.00 |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | IP68, water-resistant to 10 m; suitable for swimming and showering, not diving; ECG readings must be taken dry |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | Continuous heart rate and skin-temperature tracking; Recovery, Strain and Healthspan insights; Heart Screener with ECG, irregular-rhythm notifications and Blood Pressure Insights are region-, age- and eligibility-dependent and are not diagnostic |
Full specifications
2 of 4 products
| Specification | WHOOP 4.0 Sensor | WHOOP Life MG |
|---|---|---|
| Identity & design | ||
| Brand | WHOOP | WHOOP |
| Model | WHOOP 4.0 sensor | WHOOP MG with Life membership |
| Dimensions | — | 34.7 × 24 × 10.6 mm |
| Weight | — | Approximately 27.3 g with band |
| Build materials | Screen-free continuous-wear sensor housing | Compact matte-black sensor with brushed-metal detailing and conductive ECG clasp |
| Strap / band | — | SuperKnit Luxe band in Obsidian/Platinum with ECG-compatible conductive clasp |
| Controls / buttons | — | Screen-free wearable; measurements and controls are managed through the WHOOP app |
| Connectivity | ||
| Bluetooth | — | Bluetooth 5.0 or later required for ECG and Blood Pressure Insights |
| Sensors, health & fitness | ||
| Sensors | Photoplethysmography sensors and skin-temperature sensing | Enhanced PPG biometric sensor, accelerometer, skin-temperature sensor and ECG-ready contact pads |
| Health & wellness features | Continuous heart rate, HRV, respiratory rate, skin-temperature variation, strain and recovery tracking; not a medical device | Continuous heart rate and skin-temperature tracking; Recovery, Strain and Healthspan insights; Heart Screener with ECG, irregular-rhythm notifications and Blood Pressure Insights are region-, age- and eligibility-dependent and are not diagnostic |
| Sleep tracking | Automatic sleep detection, sleep duration, stages, sleep need and sleep performance | Sleep duration, stages, performance, consistency, debt and coaching through the WHOOP app |
| Sports / workout modes | Automatic and manual activity tracking | Automatic and manual activity tracking across supported workouts in the WHOOP app |
| Training & outdoor features | — | Strain, Recovery, VO2 max, training load and personalized coaching insights |
| Battery & durability | ||
| Battery life | Approximately 5 days | Up to 14 days |
| Charging | WHOOP 4.0 slide-on wireless Battery Pack for on-wrist charging | USB-C Basic Charger or magnetic Wireless PowerPack; approximately 120 minutes; not compatible with WHOOP 4.0 chargers |
| Water resistance | IP68; water-resistant up to 10 m for 2 hours; swimming and showering supported, not diving | IP68, water-resistant to 10 m; suitable for swimming and showering, not diving; ECG readings must be taken dry |
| Compatibility | ||
| Phone compatibility | Compatible iPhone or Android phone; current support recommends iOS 18+ or Android 10+ | Compatible phone running the current WHOOP app; iOS 16 or later, with Bluetooth 5.0+ required for ECG and Blood Pressure Insights |
| Companion app | WHOOP app | WHOOP app with active WHOOP Life membership |
| Colors | — | Obsidian sensor and Obsidian/Platinum band |
| Additional specifications | ||
| Charging time | Approximately 150 minutes for the sensor; around 2 hours for the Battery Pack | — |
| Movement sensors | Accelerometer | — |
| Bluetooth and Wi-Fi | Bluetooth 4.2 or higher | — |
| Packing list | WHOOP 4.0 sensor, compatible band and WHOOP 4.0 Battery Pack | — |
| Smart recognition | Automatically recognizes 45 activity types | — |
| Energy, load and readiness features | Recovery, Strain and Sleep scores with personalized coaching | — |
| strap material | SuperKnit performance band | — |
| armband | WHOOP 4.0 band; not compatible with WHOOP 5.0 or MG | — |
| heart rate broadcast | Real-time heart-rate broadcast supported | — |
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