Q serles of circular electrical connector，which owns the small volume and light weight.The bayonet would be coupled quickly.The pins and tha doenleads of jack are adopted welding style.The operation is simple and convenient.The advanced structure and the excellente electrical connectlon capability of the commodlty，with the low price，which is reasonab{e.lt was widely used in series of electronic apparatus a electronic equipment.All the artlcies are manufactured according to the electronic industry stangard called SJ10497 All the pins and jacks would be exchanged as your requirement.