【Innovative Controlled Diffusion】Simply open or retract the diffusion chamber to match your mood or activity. This technology prolongs the evaporation rate, maximizing the lifespan of every drop of essential oil. 【Large-Capacity Oil Chamber】With its high-capacity essential oil reservoir, this bracelet holds more oil than typical diffuser jewelry, significantly extending the time between refills. 【Waterproof & Sweatproof】The bracelet’s sealed oil storage system is water-insoluble, ensuring that the oils stay safe and effective even when exposed to water or sweat. 【Safe for Pregnant Women & Babies】Formulated with pure, plant-based extracts, this bracelet uses natural essential oils that are safe for expectant mothers and babies. It’s free from harsh chemicals, alcohols, or synthetic fragrances. 【Aromatherapy Meets Wearable Elegance】The adjustable band fits all wrist sizes, and the lightweight build ensures comfort throughout the day. It's an ideal gift for essential oil users, expectant mothers, or anyone seeking a calm and aromatic lifestyle. Specifications: Product model: K5 Product function: Essential oil to prevent mosquito bites Weight: 11.3g Package included: 1 x Essential Oil Bracelet 1 x English and Chinese Instruction Manual