Lithium-polymer (Li-Po) 3.7V, 440 mAh
It depends on how the necklace and its battery have been maintained, this battery usually lasts between 2 and 5 years.
Replaceable by a person with minimal mechanical skill.
If it is for a necklace sold by Collares Electrónicos ¡Y Más! We do not charge to replace the battery. If it has not been sold by Electronic Necklaces And More! we charge € 5 for this service.
Normally in stock.
Please see the shipping costs in the tab above