The ZMI brand, a part of the Xiaomi ecosystem, has released the ZMI, a hand warmer in combination with a power bank. The device is designed to charge an iPhone 12 quicker than an original iPhone charger. The product is now on sale in China and is priced at CNY 89 (roughly Rs. 1,000).

source https://gadgets.ndtv.com/mobiles/news/xiaomi-zmi-hand-warmer-power-bank-smartphone-charger-iphone-12-bluetooth-headset-smartwatch-2329964#rss-gadgets-all