Specifications:Power supply:Rechargeable(mini USB port 5V/600mAh max input)Built-in battery:Special lithium-ion batteryCharging time:For about 2hoursStandard at use time:2~3hoursSurface temperature:About 42 degree CelsiusSize of main body:91X41X9(mm)Weight:About 48g
Mini usb hand warmer advantage:1. Built-in special lithium-ion battery 2. Can be recharged over 500 times3. Good looking promotional gifts. portable,fashionable,convient charging4. Rechargeable Hand Warmer 5. Non-toxic, non-caustic 6. Can be reused more than 5 hundred times 7. OEM is offered 8. Certificates: CE,FDA,MSDS, SGS OEM is offered This rechargeable hand warmer is the best way to keep you and your hands warm, whether you are on a camping trip, climbing a mountain or just outside in the cold day.It fits in your pocket and makes an ideal travel companion.Simply switch on the hand warmer and you will have instant heat for around 120-1800minutes.Features of rechargeable hand warmer:Instant heat up to approximately 42 degrees when activated.This magic hand warmer can be reused 5 hundreds times.Very convenient to be carried outdoors for travel, camping, sailing in pocket.Highly effective on muscle aches, back aches, cramps, arthritis pain and tendonitis.This magic hand warmer is recycled and environmentally friendly. Usage:To activate: Gently switch on , the hand warmer will bring you the warm feeling in a feel seconds. To recharge:
Connect to the USB charging cable to the computer, labtop,where there is working for USB anti charge.
Do not pick up with a sharp object.Storing:
to avoid damage to the store in a plastic container or a hand bag which supported in the package when you buy it. Key Features:With the best thermal conductivity material,aluminum shell!With temperature ON/OFF switch function.Stop it warming whenever you need!With thermostatic controller inside,keep its shell surface at 42 degrees Celsius!Super-slim & super-light design!9mm thick!48g weight!Can be recharged to use more than 500 times!Mini rechargable USB Hand Warmer