The ESL x Warmly - Hand Warmer offers quick heating to your digits, where you can adjust the temperature from cozy warm up to 55°C! You might have seen them during an Intel® Extreme Masters, and there’s a good reason the pros take advantage of it.2 in 1": This model splits in half using magnets. So you can have one in each hand/jacketpocket.• Capacity: 10,000 mAh (5,000 mAh per unit)• Output: 10W• Four heat levels• Duration: 10+ hours on "low", 6 hours on medium and 3+ hours on the highest level• Power bank: Yes, USB-A chargingPlease note: shipping takes place about 1 week after your order is placed. If you order additional products, expect two separate deliveries. unfortunately no shipping to China.