Portable Hand Warmers: The cobblestone design hand warmers with a stylish look are portable and compact. Ergonomic design to make you more comfortable.
Stable Instant Heat: No more longtime wait, Double-sided heat up to 131°F/55°C operating temperature with 1-second fast heating and 4 levels of temperature settings for adjustable and precise stable comfortable warmth.
Long Battery Life & Rechargeable: 7800mAh super larger capacity quick heat hand warmer & power bank 2 in 1. Can give a full charge to smart phones and iOS gadgets.
High-performance & Safe: Made of high-tech lithium battery, aluminum, and ABS which certificated with CE, FCC. Built-in intelligent protection system that is provided with the safeguard of power on, short circuit and overloading, etc. It is shockproof, anti-scald, explosion-proof, and radiation-free.