Application: Use with water-based lubricant for smoother contact. Charging: Fully charge via USB before first use; follow manufacturer timing. Cleaning: Clean with warm water and mild soap or toy cleaner; dry before storage. Compatibility: Use only with water-based lubricants to protect surfaces. Use guidance: Discontinue if irritation occurs; follow safety instructions in app and manual. Storage: Store in a clean, dry place away from direct heat.