Main Features:● Made of good quality iron housing material， durable and reliable
● 3.5mm jack
● Current: 0.3A
● Voltage: DC 30V
● Blue: Audio input
● Green: Audio output
● Red: Microphone
● Contains 2pcs per pack Material: iron Package weight: 0.107 kg
Product Size(L x W x H): 3.5 x 2.2 x 1.3 cm / 1.4 x 0.9 x 0.5 inches
Package Size(L x W x H): 9.5 x 7.0 x 2.0 cm Package Contents: 2 x DC 30V 0.3A 3 Pors 3.5mm Audio Microphone Computer Connectors