Muse, the brain-sensing headband, monitors and measures focus, composure, productivity, motivation and emotional intelligence, helping you to train your brain and improve your cognitive health. Warranty Information. Rubber/plastic. Imported. 5 Forehead sensors; 2 SmartSense conductive rubber ear sensors. Designed to help increase brain fitness and reduce stress in just 3 minutes per day. Real-time audio and visual feedback; long-term tracking. Guided training sessions. Portable design works with smart phone or tablet via Bluetooth. Manufacturer's one-year limited warranty.