1, Output short circuit protection2, over-voltage and overload filtering protection3, DC ripple is small, high efficiency, fast charging speedName :chargerWeight :72gCompatible : for Jabra Elite5Battery capacity: 590MAHMaximum charging times for headphones: 2.5 timesColour:blackMaterial:SiliconeDue to different batches, there may be differences in product appearance and printed text, which will not affect usePackage Contents:1 x Earphone Charger Case1 x USB CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.