Linsoul TANGZU x HBB Wu HeyDay HiFi Upgraded 14.5mm Planar Driver IEM with 5-Axis CNC Aluminum Shell, Detachable 3-in-1 Silver-plated Cable (TANGZU x HBB Wuzetian HeyDay, 3-in-1 （2.5/3.5/4.4m） Cable)