Plastic material brings the sense of comfort when this smart wristband sits on your wrist. Support multi sports modes, fashion design, both suitable for man and woman wear. Multi-functional Fitness Tracker: Accurately track your steps, distance, calories burnt, sleep quality and heart rate all day. Waterproof wristband, you don't need to worry about its not working in the thin rain. Message, the smart hand ring will vibrate to remind you The fitness pedometer can remind you when There's phone call and new message by vibrating.