Features: - Functions: step counter, distance travel ( km ), calorie calculation and 12 / 24 hours time display - Step counter up to 99999 steps - Water resistant design, no worry about the rainy day - Low battery consumption and auto sleep, save your money - Large digit LCD display, easy to read - Lightweight design, portable and save space Specifications: - Power supply: 1 x 1.5V AG10 battery ( included ) - LCD screen dimension ( L x W ): 2.1 x 1.2cm / 0.83 x 0.47 inches - Watchband width: 2.8cm / 1.1 inches - Fits for wrist circumference: 15 - 22cm / 5.9 - 8.66 inches - Material: ABS and silica gel, water resistant and durable Type: Calorie Calculation Function Package Size(L x W x H): 7.00 x 5.00 x 3.00 cm / 2.76 x 1.97 x 1.18 inches Specifications: run step bracelet walking distance bracelet 12 / 24 hours time display calorie calculation bracelet Package Included: 1*bracelet