The Petitol Series comes in 4 different types.
Petitol S, Petitol L, Petitol M, Petitol C refine, and each with a power bank is also available as Petitol SJ, Petitol LJ, Petitol MJ, Petitol CRJ.
USB compatible.
You can connect it to your computer or a rechargeable battery, so you can use it anywhere.
It is convenient to carry, and can be easily used for business trips or other outings.
You can also plug it into an outlet if you connect it to the included AC adapter.