Whoop 4.0 Fitness Tracker - Sensor, Strap & Batter

Working perfectly. Used condition but fully functional. ​Includes: ​Whoop 4.0 Sensor: The latest model (Model WP40). ​Battery Pack 4.0: Wireless slide-on charging puck. ​Strap: Standard Black Onyx SuperKnit band. ​Cable: Short USB-C charging cable for the battery pack. ​Ideal for: Perfect if you have lost your current Whoop sensor and need a replacement without starting a new contract, or if you just need a spare battery pack (the battery pack alone costs ~€55 new). ​Important Note: This sale is for the hardware only. The buyer will need to link this to their own existing Whoop account or set up a new subscription to use the app and data features.