Manttotech Smart Watch,your Healthy Assistant,intelligent Light-on 3d Pedometer Watch,trace Calorie, Real-time Temperature Display.non-adjustable Watchband Imported 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. Intelligent sleep monitoring with muting alarm clock. Watch size: 210mm(L)x25mm(W)X10mm(Dep.) Six color for option: Black/Red/Orange/Green/White/Blue, please note the color you like.