Empatica on Twitter: "Are you in Boston and interested in testing groundbreaking new health-technology? We are looking for volunteers to test our most advanced medical-grade smartwatch EmbracePlus. Check out https://t.co/6Nips77YlC for more
Amazon.com : Fitness Tracker, L8star Smart Watch with Heart Rate Monitor Step Counter Calorie Counter Sport Fitness Watch Sleep Monitoring Activity Tracker for Men and Women : Sports & Outdoors