All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
[Battery Capacity]:50mAh
[Applicable equipment]: fit for the size 6mm*10mm*13mm battery,lithium polymer battery 3.7v 581013
[Features]: Lithium-ion battery nominal voltage 3.7V, fully charged 3.7V, Built-in Seiko battery protection module to prevent overcharging and short circuit of this battery
[Notice]: Check the polarity of the battery against the old battery before replacing it. Red wire connection power supply plus "+", black wire connection power supply negative pole "-". If is reversed, the position of the interchange wire is required.