Size:4.4mm Female to 3.5 mm Male Description: Condition:Brand New and High Quality. Item Type:Cable Plug Adapter. Plug Type:4.4mm(FeMale)to 3.5mm(Male)Balanced Plug. Premium 6n OCC And Silver Composite Material, High Performance for Audio Player, Reliable And Durable. Use for Amplifier Headphone And Media. Compatible with The Interfece of:Sony PHA-2A/iBasso/Fiio/HiFiman/NW-WM1A/NW-WM1Z/PHA-2A/NW-ZX300 Ampifier. Package Includes:. 1 x Headphone Audio Adapter.