Specification BatteriesRequired : 1 Brand : Generic BulletPoint1 : Made of coated optical glass lens, comes with protective glasses, angel adjustable BulletPoint2 : Magnification 3.5X, working distance 320-420mm, depth of field 80mm, field of view 60mm BulletPoint3 : Adopt flexible adjustment system, quick adjustment of interpupillary distance valve, and flip hinge adjustment, which can adjust various inclination angles, interpupillary distance, flexible operation, improve visual comfort, and adapt to various work needs; BulletPoint4 : Curved flexible frame design, Suitable for everyone to wear, improve comfort, and use it with a head strap for better results. BulletPoint5 : Improve the clarity of the user's vision, reduce the user's eye fatigue, and neck and shoulder pain caused by long-time bowing operations Color : Black ExternallyAssignedProductIdentifier : 8463479157224 ItemName : Generic Head Wearing Dental Loupes Ultralight Binocular Magnifier Dentist Surgical Glasses Angle Adjustable 3.5X, Black ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : professional-dental-and-surgical-loupes MagnificationStrength : 3.5 multiplier_x Manufacturer : oumini Material : Metal ModelName : loupes ModelNumber : 3.5X-420 NumberOfItems : 1 PartNumber : mini0a ProductDescription : Head Wearing Dental Loupes Ultralight Binocular Magnifier Dentist Surgical Glasses Angle Adjustable 3.5X: Specifications: Item Name: head wearing dental loupes Material: acrylic, coated optical lens Magnification: 3.5X Working Distance: 420 mm Depth of View: 90 mm/80 mm Field of View: 100 mm/60 mm Feature: angle adjustable, pupil adjustable