Seamless Installation Upgrade your magnetic elastic nylon woven strap, designed for compatibility with Whoop 4.0 and Whoop 3.0. Allows direct charging without removing the strap, ensuring hassle use during daily routines. (Note: Device not included.) Exclusive Metal Frame Custom metal frame safeguards your Whoop 4.0, providing a secure fit with simple onestep placement. The firm hold minimizes risk of accidental drops or loss. Hollow frame design enhances ventilation and assists with heat dissipation during workouts, keeping your device cool and performing . Enhanced Magnetic Clasp Braided strap features a strong magnetic buckle, offering quick and secure fastening for wrist sizes from 14 to 25 cm (5.5 to 9.5 inches). Soft, breathable, and washable material ensures comfort and convenience, making it ideal for allday wear whether at work, home, or during physical activities. Comfortable and Durable Strap Crafted from quality elastic rope, the strap is built for longlasting use. Hypoallergenic materials help prevent skin irritation, while odor construction ensures freshness even with extended wear. Designed for individuals seeking comfort and reliability for continuous monitoring and training sessions. Practical Applications for intense workouts where comfort, stability, and ventilation are crucial. Maintains a secure fit during running, cycling, or gym training without compromising breathability. Suitable for everyday use, providing reliable performance during sleep tracking or throughout your workday. Ideal for travelers who need a strap that supports quick charging without removal.