WATCH MATERIAL:
Watch Strap : Food grade silicone
Watch Case : Engineering ABS plastic
Watch Clasp : Stainless steel
WATCH SIZE:
Watch diameter: 1.52in / 38.5mm
Watch Maximum Thickness: 0.55in / 13.9mm
Watch Strap Length: 9.52in / 242mm , suit circumference 140-195mm / 5.5-8.67in wrist girth to wear
Watch Strap Width: 0.63in / 16mm
OTHER PARAMETERS:
Screen Display: LED digital display
Control Mode: Button control
Battery Type: Lithium Ion Battery
Battery Capacity: 65mah
Charging Time: About 1-2 hours
Standby Time: About 50days
Working Time: About 10-20 days
PACKAGE CONTENTS:
1 * Watch
1 * Use Manual

