Avtrek 3D pedometer. Includes a strap and a screwdriver for battery replacement. Used only once at a wedding after-party! Available for immediate purchase. There are a total of 4, so if you want to buy them all, please comment! (The price will change for bulk purchases!) [Brand] Avtrek [Category] Pedometer [Color] Black [Accessories] Strap, Screwdriver [Description] ・Simple pedometer and ease of use: A simple pedometer with an easy-to-use interface, no need to charge or load an app on your smartphone. No Bluetooth or apps. ・Accurate and convenient: The pedometer uses a reliable US-made sensor. The sensor is equipped with an advanced error correction algorithm, making it more accurate than most pedometers. Compact size and lightweight. Clip it to your waistband or belt. Wear it around your neck. Keep it in your pocket. It's a great way to track your daily fitness goals. ・Accurate time: With this function, you don't need to carry your phone around for exercise, you can check the time with a short press of a button (12/24 hour setting). ・Bright LED backlight: With this step tracking tool, you can check your steps and time even after dark. (LED backlight only works from 6 pm to 6 am) ・Long battery life: Long life of a high-capacity Japanese Maxell CR2032 battery. Thank you.