FITCENT Super Soft Adjustable Band Replacement Strap Compatible with Whoop 4.0 and Whoop 3.0 Heart Rate Monitor

• Perfect Match for Whoop 3.0 and 4.0: Elevate your heart rate monitoring experience with our arm strap replacement, designed to seamlessly fit Whoop 3.0 and Whoop 4.0 devices. Enjoy a hassle-free upgrade to enhance your fitness tracking.
• Ultra-Light, Soft, and Skin-Friendly Material: Embrace unmatched comfort with our super-light and soft material. The arm strap is gentle on your skin, ensuring a pleasant wearing experience during all your activities.
• Innovative Design for Easy Charging: Experience convenience like never before. Our unique design reduces thickness at the sensor installation point, allowing direct charging without the need for disassembly. The unique design does not affect the accuracy of the sensor at all.
• IP67 Waterproof and Durable: Dive into your workouts without worries. Our arm strap boasts IP67 waterproof protection, making it resilient against water exposure. The unique material ensures durability, keeping up with your active lifestyle.
• Adjustable Size for Easy Installation: Tailor the strap to your preference with adjustable sizing, ensuring an easy and secure fit. Installing and removing the strap is a breeze, providing flexibility for users of all sizes.