Waterproof Smart Bracelet Pedometer with Step Counting, Walking Distance Measuring, Calorie Consumption Management, Smart Wristband with Call Reminder Intelligent Health Monitoring Wearable Fashionable smart bracelet with OLED display, recording sports data in daytime and sleeping data at night to guide healthy lifestyle The bracelet comes with a standard USB charging cable, getting power easily through connecting to a PC or notebook USB port Dual-mode data synchronization to Computers and Smartphones via USB and wireless Bluetooth Designed with IP67 for good waterproof performance in normal daily use Using both LED lights and vibration motor to remind activities