New in box. Never worn. Comes complete will all elements allows it to be worn on chest, arm, or wrist as described below. From the company website: "The world's first interchangeable exercise tracker for the gym, outdoors or in water. Monitor your heart rate on your chest, arm or wrist. Three times the motivation and three times the fun, with a light indicator and built-in memory so you can see your zone without a phone, and up to six months battery life on one charge. Fits 24.4" to 34.6" chest." First four images are from company website. All others are of the actual product and packaging being offered for sale.