Description *Product Title:3 In 1 Electric Hand Warmer Power Bank Rechargeable Pocket Heater Led Flashlight Double-Sided Heating *Attentions: *Please do not charging and heating simultaneously. *Do not place it in humidity, high temperature, long-time exposure to the sun, fire etc. *When at high temperature, please do not warm for long time with skin directly to avoid burns. *Keep away from children when charging. *Smart Instant Heater: Hand warmers can rapidly warm up double sides in seconds. Double-sided chip design, Overcharge, over-discharge and overheat protection. *3 Temp Mode: Skin-friendly, adjustable temperatures 40/104F-50/122F-60/140F at your choice. Shockproof, anti-scald, anti-skid, explosion-proof. *Pocket-Sized Power Bank: 10000mAh lithium ion rechargeable built-in battery with Micro USB charging port. Be a power bank to charge your electronic devices in emergency. *Perfect Gift: Its a MUST HAVE to spend a cold winter, especially for raynauds arthritis sufferers for heat therapy needs. A great gift for Thanksgiving Day, Christmas, Birthday. *Smart Application: 3 in 1 function (Warmer, LED flashlight, vibration massage) daily use in winter for the seniors, use in school for your kids or outdoor sports. *Material: Aluminum Alloy +Lithium Battery *Battery Capacity: 10000mAh *Color: Black, Pink, Gray(optional) *Heating Mode: 104F/40C, 122F/50C,140F/60C *Product Size: 110 x 63 x 33mm *Weight: 185g *Output/Input: 5V/2A *Charging Times: About 3-4 Hours in Full *Working Times: About 2-8 Hours( based on various ambient temperature)User Guidance: *Double-click power, One-click switch temps, double-click flashlight, three-click vibration function. *Press the power button for 3 seconds and instantly release the warmth for you. It rapidly warms up double sides in seconds. *Double-click to turn on/off flashlight. *Three consecutive presses to turn on/off the vibration massage mode (relief womens period or raynauds arthritis sufferers). *Package Includes: *1 x Electric Hand Warmer *1 x Micro USB Charging Cable * *Due to different measurement methods, please allow a measurement error of 2-3cm. *Due to the problem of shooting tools and light, please allow the color difference between the picture and the product.