Whoop 4.0 (with 5 bands and charger)

This is a Whoop 4.0 fitness tracker -- perfect budget option compared to buying new. Waterproof, and a great way to track fitness, diet, and sleep. This Whoop was my biggest help getting back into shape, losing 20 lbs, track my body fat/muscle mass progression, and greatly improve my sleep. The battery lasts about a week between charges, and it is in great condition. It was cleaned regularly and only on my wrist. This comes with 4 different bands: (from left to right) 1. Black HydroKnit band (waterproof) 2. Black Knit band (will not be included in sale due to poor condition) 3. Blue HydroKnit band (waterproof) 4. Dark Grey Knit band 5. Light Grey Knit band I am upgrading to the 5.0 -- which has virtually no changes in ability or aesthetics, because I got a free month. You will have to pay for subscription to use the service, but it is well worth every penny.