Features 1COMPATIBLE MODELS: VR headset earmuffs for PICO 4 and for PICO 4 Pro, please check the model number before purchase. 2ROTATABLE DESIGN: Rotatable conductive earphone with better adaptability. Independent debugging, which can be used by different people. 3STEREO CONDUCTION: Two channel stereo upgrade, retain the original stereo dual channels. Can realize 3D sound effect. 4BREATHABLE AND COMFORTABLE: Rotatable conductive earphone is designed with skin friendly material, comfortable and breathable, and not stuffy for long time wearing. 5NOISE ISOLATION: Better preservation of sound quality through acoustic transmission isolation of external noise for a better immersive experience. Specification Item Type: VR Headset Earmuffs Material: ABS Suitable For: for PICO 4, for PICO 4 Pro Function: Rotatable Angle Package List :2 x Earphones1 x Instruction Manual