5 Pcs Speaker Cables Mini Plug Speaker For PC Interanal Computer Motherboard Speaker Mini Onboard Case Buzzer Board Beep Alarm Speaker Kit

Material: Plastic and Metal Use: Power on the computer, we will hear the familiar sound of 'beep' a sound, generally indicating that the computer can be used normally, the sound is emitted from the 'baby.' Red is positive, black line is negative (in fact, regardless of the positive and negative, as long as the interface connected to the Speaker can be used) Package included: 5 x Mini Plug Speaker