Misfit Ray is a minimal and versatile tracker. It's a fashion accessory in its own right, and delivers the fitness and sleep tracking you need. Receive vibration alerts for incoming calls and texts, movement reminders, and smart alarms, and connect Ray with Misfit Link to control your world — play music, take a selfie, or interact with additional connected devices. It’s non-charging, made of sleek, durable aircraft-grade aluminum, and water resistant to 50 meters. Ray is non-charging, replaceable batteries last up to 6 months. Ray is designed to be always on, and to deliver more data, better insights, and more powerful motivation.