·Model: V3-3
·Product Material: ABS+P Environmental Protection Material
·Mirror: 42mm diameter blue double convex optical mirror
·Batteries: Self-contained rechargeable 200 mHA batteries
·Operation mode: Bluetooth connection + physical key
·Pupil distance adjustment: independent push-pull design
·Buffer material: memory cotton
·Mobile Phone Fixation: Back clip Fixation
·Head wear material: elastic nylon tape
·Visual angle: 90 degrees
·Reference Dimension of Whole Machine: 193*137*113mm
·Support: 3.5-6 inch smart phone, Android/IOS/WIN