Brand: Nyork Product: Smart Watch Model: SW300 Wristband: 260mm*20mm*2.5mm Body size: 43.6mm*38mm*11mm Body material: zinc alloy + IML injection process Strap Material: Liquid silicone Bluetooth: 5.2 Version Screen Size: 1.72inch Battery Capacity: 250mAH Compatible: iOS10.0 or above/Android5.0 or above