Dioma Pedometer Bracelet has an adjustable silicone wristband and a button-operated interface that does not require a smartphone connection. Powered by a rechargeable 50mAh battery that has a built-in USB charging contact. You can plug it directly into any USB port of a charger, power bank, computer, or other devices to charge it, without carrying a cable. It takes two hours to fully charge and can last for about ten days. It has a function button and a display button, and can show you the time, date, steps, distance, calories, battery level, alarm vibration, wrist-raise wake-up, countdown, and miles/kilometers conversion. Compact design is suitable for work, study, exercise, and other daily use. Customize your logo to make it a great promotional item.