Universal Buying(TM)Charging Port Flex Cable Dock Connector USB Port Replacement Part for HTC One M8 100% Brand New - Charging Dock Flex with Microphone for the One M8 model Compatibility: HTC One M8 16GB( one pin) All parts are tested and quality controlled prior to shipment. Instructions are not included however multiple videos are available on YouTube. There're one pin on HTC One M8 charge port, please be kindly noticed before ordering.