About this item Compatible with dog bark collar The magnet works at least as well as the original charger USB plug works with wall charger, power bank, car charger, laptop, or PC Cable length: 5.5 x 4 x 0.1 inches; 1.13 ounces; Convenient for home use and outdoor charging Come with 2 charger cables Size: 5.5 x 4 x 0.1 inches; 1.13 ounces