For Samsung Galaxy Watch 4 Two Color Horizontal Silicone Watch Band(Blue Black) Filter-Cooling Pads Foot tube diameter: 13-24mm

Foot tube diameter: 13-24mm

transparent transmission of all data at the MAC layer (link layer) and above

Prism type: Schmidt roof prism

Working altitude: less than or equal to 4000 meters

40HQ: 1122 cartons * 200 pcs = 224400 pcs

For Samsung Galaxy Watch 4 Two Color Horizontal Silicone Watch Band(Blue Black) Filter-Cooling Pads Foot tube diameter: 13-24mm1. Material: silicone 2. Technology: This product is made of liquid silicone material, which is waterproof, sweat proof, comfortable and soft. 3. The strap adopts a thickened design, which is comfortable to wear and easy to use. 4. The material is harmless to human skin and non allergenic. 5. Suitable for wrist circumference: 5. 5 8. 7 inches Note: The package only contains the watch strap, not the main watch.