Whoop Basic Charger

Compatibility: Works exclusively with WHOOP 5.0 and WHOOP MG devices (not compatible with WHOOP 4.0).Charging Time: Fully powers a depleted sensor in approximately 2 hours.No Internal Battery: This is a wired wall charger and does not store power on its own like a portable wireless powerpack.Design: Lightweight, compact structure with safety features including overcharge and short-circuit protection