3 second fast heating and warmth without waiting for PI carbon crystal heating technology, releasing infrared light wave radiation heat close to the wavelength of the human body, easy to penetrate the skin and be absorbed by the human body.
eBay
Electric Neck Heating Pad Neck and Shoulder Heating Pad 5 Temperature Modes Adjustable USB Heated Neck Warmer for Neck Relax
Aliexpress UK
Auto-turns off after 2 minutes of inactivity to save power. This 3-in-1 gadget is practical, stylish, and built to keep up with your busy life. It’s also the perfect gift for friends, family, or colleagues who hate the cold!
eBay
USB Portable Hand Warmer Rechargeable Plush Reusable Electric Foot Heater for Home Winter Hand Feet Abdomen Keep Warm
Aliexpress UK
[POCKET SIZE & LARGE BATTERY CAPACITY]: Small and light. Handy carrying anywhere with any pocket or bag while sporting,fishing, hiking, camping, skiing. Battery Capacity: 5000mAh. It's a MUST HAVE to spend on a cold winter, especially for raynauds arthritis sufferers for heat therapy needs.
eBay
Winter Electric Heated Insoles USB Heating Feet Warmer Thermal Shoes Sock Pad Heated Insoles Washable Full Foot Fever Unisex
Aliexpress UK
Higher-powered power banks or adapters are not supported to prevent overheating and potential burns. This warm belt is made of crystal velvet, which is soft and skin-friendly, comfortable to touch, has good thermal insulation properties, is washable and easy to clean.
eBay
Electric Heating Shoulder Neck Pad Massager Three Gear Hot Compress Cervical Shawl Warmer USB for Shoulder Neck Back Relax Brace
Aliexpress UK
Wherever they are, they can keep their hands warm with this warm gift. Easy to Carry: Lightweight and palm-size, it's comfortable to hold and portable for outdoors to keep hands warm in winter, and provides backup power source for your cellphone.
eBay
Heating Electric Shoulder Neck Pad Massager Three Gear Hot Compress Cervical Shawl Warmer USB Relax Brace for Shoulder Neck Back
Aliexpress UK
Material: carbon fiber. 1 heated pad. Small size and light weight, portable. Color: Black. Normal resistance: 6Ω. Thickness: about 0.5mm. Current: 1.2A. The duration of flight is longer when using portable power source or battery.
eBay
DC 5V USB Coffee Mug Cup Warmer Milk Tea Water Cup Heating Electric Touch Pad Temperature Adjustable Hot Tea Maker Heater Warmer
Aliexpress UK
The black design makes it suitable for any occasion.
eBay
Winter Electric Heated Insoles USB Heating Feet Warmer Thermal Shoes Sock Pad Heated Insoles Washable Full Foot Fever Unisex
Aliexpress UK
Lightweight Design: Never let the cold stop you! providing long-lasting and comfortable warmth for all your needs. 4 Heat Modes: Provides 4 temperature options to make your use more comfortable and assured.
eBay
USB Portable Hand Warmer Rechargeable Electric Portable Pocket Reusable Heater for Camping Hunting Golf Men Woman
Aliexpress UK