Note : During the Chinese New Year (January 26, 2019, February 11, 2019), the goods will not be delivered during the holiday period. On February 12, 2019, normal delivery will begin. Product Brand:MCXGL Buckle material: all steel solid buckle Strap material: made of TPE, not too hard or soft, comfortable and durable Interface Type: Dedicated Interface Bandwidth: 24mm Size: Fits wrist circumference from 110mm to 200mm, with 13 holes for resizing, with enough dimensions to adjust length Product packaging: 1 set of straps, 2 tools, 2 connectors Product weight: 0.035KG