19V, 3.1 amp, 2.5 x 5.5 mm female plug Laptop Switching Regulated

1. 1.57 12vdc
2. 2.5

1. 3.5 male stereo to 3.5 male stereo
2. 3.5 MALE TO 3.5 MALE

1. 3.5 mm
2. 3.5mm

1. 3.5MM MAL
2. 3.5MM MALE TO 3.5 MALE

1. 3AG
2. 3AG2