Moonbird is made with your comfort and safety in mind. Its soft-touch outer layer is made of 100% biocompatible, medical-grade silicone. It’s RoHS compliant and completely free of phthalates.
Inside, moonbird contains an optical reflectance PPG sensor and a rechargeable lithium-ion battery, the same type used in many devices.
The materials were carefully chosen to feel pleasant in your hand, last over time, and stay safe for everyday use.