GBSELL 5pc 4-Pole Combo Headset Audio 3.5mm Male To 3.5mm Female Adapter for iPhone Moto Samsung HTC LG Nokia Lenovo Black 3.5mm TRRS Phone Jack CTIA to OMTP Standards Bi-Directional Converter with Gold Plated Connectors As there is no accepted industry-wide standard for 4-Pole TRRS plugs & sockets (stereo & microphone integrated), many manufacturers have developed their products with different pin layouts (eg: Nokia, Android and Apple devices). With this adapter, your iPhone / Moto earphone will work well on Samsung / HTC / LG /Nokia / Lenovo mobile. This adapter may help with Xbox One and PS4 headset issues. Gold plated connector for better signal connection.