• • How much centigrade can be heated to?

  • It can reach 42 centigrade.

• • What is the difference between (1)For campers: use special adapter when jack socket available;(2)For hikers: power bank ?

  • The heated size of (1) is much bigger than (2).

• • Is it quick to be warmed up?

  • You can feel warmth within 2 minutes, and usually reach your target within 5-10 minutes.

• • How long can it keep working for a normal power bank?

  • The working time depend on the capacity of your power bank.For capacity of 6000mah ,it can last about 5 hours if you keep it work at the largest outpu...

• • Any requirement for power bank or lantern or adapter?

  • 2A output is necessary to enable "foot area"and "waist area"to work simultaneously,otherwise they can only be warmed up in turn alternately.

• • Is it washable?

  • Yes. Please take off the controling unit before washing.

• • Is it safe?

  • Our product have been approved by the following international certification:CE,ROHS,FCC,TELEC. The voltage is much lower than 36V,whic...

• • Can I use my phone for other funtion when it is running ?

  • Yes. After it begin to work you can use your phone as normal.

• • What will happen if my phone suddenly power off or I go somewhere else far away ,together with my phone ?

  • It will continue to work as usual. But you cannot operate or be informed of the real status without bluetooth communication.

• • Can my sleeping bag be controled by other phone?

  • You need password for the first operation( you can change the password later),other phone cannot operate your sleeping bag unless he knows the passwor...

• • What is the differrence between the "on/off" on top right corner and the "switch on/off" in the centre?

  • The"on/off" button on the top right corner means the blutooth communication status between your phone and sleeping bag, while the"switch on/off"botton...

• • What is the differrence between the "on/off" on top right corner and the "switch on/off" in the centre?

  • The"on/off" button on the top right corner means the blutooth communication status between your phone and sleeping bag, while the"switch on/off"botton...