MULTIPLE CARRY OPTIONS - The pedometers is just 39g, compact size and lightweight. It contains a removable clip and a lanyard, that can be clipped to your pocket or hip, wear around your neck or place in your pocket or bag. BATTERY INCLUDED - Enjoy great battery life. A CR2032 battery included and can be last up to 12 months. Pedometer auto sleeps when you are not moving after 1 minute, auto wakes to counts steps when you start moving again. EXTRA LARGE DIGIT DISPLAY - With full screen display you can clearly and easily read the numbers at a glance, so you can view your progress of your fitness goal easily when you're moving. SIMPLE & EASY TO USE - 3D Pedometer for Steps Only. No app no bluetooth no phone, just only need to hold press RESET button for 5 seconds to get the step to zero and starting walk. It´s the simplest pedometer to start with, if you don't want complicated set ups. LIFE WATERPROOF: The pedometer is waterproof, resistant to rain, sprayed water, waterside play, etc., it cannot be immersed and used underwater.