BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Double-sided hand warmer featured with 3 temperature levels and 10000mAh rechargeable battery, provides you 3s fast heating and up to 10hours continuous warmth. Built-in intelligent protection system offers full and reliable protection for you and your devices. Additionally, 2 different ports allow you to use this hand heater as a backup power bank to charge 2 devices simultaneously. Lightweight and compact size is perfectly suitable for outdoor activities, like camping, fishing, hiking, skiing and so on. An ideal gift to show your warm concern in this chilling winter.