Manttotech Smart Watch pedometer with USB Convertor, Calorie Monitoring, Real-time ,Temperature Display. Adjustable Watchband.(blue Color) Smart watch with high-sensitivity 3D acceleration sensor Intelligent watch, using for tracing calorie, moving steps and distance, real-time temperature display. Rechargeable polymer battery, USB port is integrated in watch band. Adjustable watchband, suitable for adult and children. Intelligent sleep monitoring with muting alarm clock. Watch size: 255mm(L)x16mm(W)X9.2mm(Dep.) Six color for option: Black/Red/Orange/Green/Grey/Blue, this listing is for Blue color