Whoop 4.0 band, charger and device, no membership

In great used condition. Does not include membership. OPTIMIZE YOUR FITNESS: Track your health and fitness with the WHOOP 4.0 Premium Activity Tracker - a convenient, small fitness tracker that calculates which behaviors help or hurt your sleep and recovery the most, so you can build healthy habits! ACHIEVE YOUR GOALS: Insight-driven and backed by science, WHOOP fitness trackers are designed to allow users to understand and improve their overall health and optimize performance, so you can log daily behaviors like activity, diet, and more. ACTIVITY & FITNESS TRACKER: Our health tracker logs physiological data, including heart rate, respiratory rate, resting heart rate, heart rate variability, skin temperature, blood oxygen levels, daily activity, and sleep to track overall health! Plus, this device is FSA/HSA eligible for convenient health monitoring. ALWAYS MONITORING: Designed with a waterproof, wireless battery pack, these fitness trackers for women and men provide on-the-go, continuous monitoring on a single charge - and the fit tracker charges while you wear it for constant monitoring.