Smart LED Stainless Steel Water Bottle (500ml)

About this item: • LED Display: Touch‑sensitive lid shows real‑time temperature • Battery: Long‑lasting, no charging required • Insulation: Double‑wall vacuum – hot/cold for 24 hours • Leak‑Proof: Secure lid and seal prevent spills • Material: Food‑grade stainless steel, BPA‑free, eco‑friendly • Colors: Black with multicolor variants • Capacity: 500 ml – compact and portable • Guide: Smart temperature safety indicators (0–99°C) • Branding: Customized logo with laser engraving option available