Split magnetic design. 2 x 5000mAh battery capacity. Integrated USB-C cable for power bank. Provides 6-9 hours heat.
eBay
1/4PCS Carbon Fiber Heating Warm Paste Pad Hand Warmer USB Safe Heated Film Electric Winter Fever Heat Mat For Cloth Vest Jacket
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
Split type magnetic suction hand warmer liquid display temperature independent heating combined with double locked temperature
Aliexpress UK
The Serenity Hot Water Bottle & Hand Warmers set includes a rubber hot water bottle in a stylish pink colour, perfect for keeping you cosy during the colder months. The set also features hand warmers, ideal for warming up your hands on the go. Made in China, this product is a great addition to your self-care routine, providing a sense of peace and comfort with its soothing design. Personalisation is not available, but the included cover adds a touch of luxury to this must-have heating essential. This is heart shaped
eBay
Comfortable plush 1000ml/33.81oz hand warmer - PVC lining, soft hot water bottle suitable for neck and back
Aliexpress UK
Material: Faux lamb fleece. - Easy to Use: Simply plug the USB plug into a computer or power bank to get started.
eBay
Xiaomi Qualitell Temperature Control Portable Hand Warmer Bag N6 Graphene Heating Digital Display Waterless Hot Water Bottle
Aliexpress UK
Simply put back in zip bag when not in use. Versatile & Portable: Pocket-sized comfort ideal for golfers, football spectators, commuters and more.
eBay
Water Injection Rubber Hot Water Bottle Thick Hot Water Bottle Winter Warm Water Bag Hand Feet Warmer Water Bottle
Aliexpress UK
Extensive Usage: Don't let the cold stop you. We will reply and solve your problem as soon as possible.
eBay
5V USB electric blanket multifunctional hand warmer knee pad office lunch break Falafel heating blanket
Aliexpress UK
Battery Capacity: 10000mAh. You can choose a suitable level to enjoy the warmth. Safe heat transfer in your hand, pocket or bag, no worry about over-heat, over-charging. Also great for travel, hiking, camping, skiing, climbing or the cold office.
eBay
500ML Cartoon Duck Plush Hot Water Bottle Water Filling Bag Velvet Portable Student Hand Warmer Cute Warm Water Bag
Aliexpress UK
Features: -Using PI carbon crystal heating technology, it heats up quickly in 3 seconds, releasing infrared light waves close to the human wavelength to radiate heat, which can easily penetrate the skin and be absorbed by the human body.-The internal motherboard algorithm is optimized to more intelligently manage the battery charge and discharge cycle to maximize the battery capacity.-There are three adjustable temperatures, 40°C, 50°C and 60°C, and a display screen shows the selected temperature.-With multiple protections, over-current protection, over-charge protection, over-voltage protection and short-circuit protection, it is safe to use.-Lightweight design, can be easily held in one hand or put into pocket without any burden.Specificat.
eBay
Stitch Disney Anime Winter Extra Large Plush Hot Water Bottle Women's Home Water Filling Hand Warmer Holiday Gift For Girlfriend
Aliexpress UK