Key Features : Non-Bluetooth Fitness tracker for Kind. 3D Pedometer and temperature counter. Silent flash and Calorie, distance, Time/date remind. Autosaves data and sleep monitor. Rechargeable polymer battery. Technical Specifications : Temperature Rage : -9 ºC —50ºC Data Transfer Mode: USB Port Accuracy : +-1% Data memory: 24 hours step counter, save 14 days data Number of steps: Unlimited Battery Life : >300 times charge-discharge cycles Voltage: DC=5V Atmospheric pressure : 860hPa-1060hPa Operating Temperature: 0-45 ºC Product Specifications: Brand: Aquarius Materials: Rubber Model: AQ114 Weight: 42g Display: LED Display Product Dimensions: 8x9x3cm Package Includes: 1x Aquarius AQ 114 Teen Fitness Tracker