- Portable, rechargeable and washable USB Heated Insoles Foot Warmer for any type of shoes.
- Temperature will reach up to 120°F (50°C) to warm cold feet in winter without too hot to cause perspiration.
- One size fit all! Insoles are marked with guidelines for easy trimming to your size.
- Suitable for both men and women from shoe size EU 35-44 (US 7.5-12)
- Perfect gift for those who love skiing and outdoor sports, camping, chores, hunting, hiking, fishing.
- Made from soft elastic EVA-foam with thickness for approximately 0.2" (4mm) for best cushioning effect without tightness.
- Charge via power bank, mobile phone charger, laptop and any devices with USB port.
- Voltage: 5V 2A
- NOTE: Do not wash with machine. Hand wash with water and allow to dry completely before using.
These battery foot warmers are the perfect solution to your cold feet during cold winter! The electric insoles are waterproof, washable, rechargeable and super soft and comfortable to boot! Works with any shoes for both men and women!