1. The outside is also equipped with a mini USB 10 pin design hero3/3 +

2， cable length = 1200 mm (47.2)

3， the direction of: a full range of

4， operating voltage: DC1.5V - 10 V

Mini USB Microphone professional design for Gopro hero3/3+/4 camera. You can plug-in hero camera directly， no need 3.5mm adaptor. it help you get Stoere music or vioce when use The frame/Protective case.

USB 10PIN design for Gopro 1.Mini hero3/3+/4

2， length Cable = 1200mm (47.2 ")

3， Omnidirectional Directivity:

4， Voltage: DC1.5V Operation - 10V

5， Consumption: Current < 0.5A

6， to Noise Ratio: Signal > 58dB

6， Signal to Noise Ratio: > 58dB