brand new and high qualityOOTDTY Material: Plastic and MetalColor:See picturesUse: 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)Board alarm tone DescriptionAWARD BIOS ringing of the general meaning is:1 short: the system starts properly, which we hear every day, but also that machines without any problems.2 short: General error, please enter the CMOS Setup, reset the incorrect options.1 long 1 short: or motherboard error, try for a memory, if that does not work, had to replace the motherboard.1 long 2 short: Monitor or display card error.1 long 3 short: Keyboard controller error, check the motherboard.1 long 9 short: board Flash or EPROM error, BIOS damage. For the block Flash try.Continuous sound (long beeps): memory is not seated or damaged. Re-insert the memory, if that does not work, replace only a memory. It kept ringing: power supply, display and graphics card connected.Check all plugs.Repeat short ring: Power problems.No sound No display: power problems.Size: See the pictureQuantity: 1PcNo retail packageNote: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!!