Cheap Virtual Reality Case 3D All in One RK A1 Glasses

Cheap Virtual Reality Case 3D All in One RK A1 Glasses 1. What is the detail of Cheap Virtual Reality Case 3D All in One RK A1 Glasses? 1.Breakthrough ----- Control board at side part of the device to control mobile phones No need to take off the cover and control the phone directly. Fingers touch to play, fast forward, fast back, volume+/-, video fast positioning, mute, pause, brightness adjustment, menu and other settings. Provides easier manipulations and supports IOS & Android system.   2.Optical 4.0 38mm glass coated lenses, improved viewing experience, and fundamentally solved problems as distortion (image deformation), low light transmittance, dazzling, big error value of optical algorithm and lens rupture and short service life which traditional resin lenses contains. It takes you into a real optical level VR world to experience 3D virtual reality.   3.Exclusive powerful magnetic adsorption panel, easy installing and removing. It also settles issues of phone heating and uncomfortable wearing experience.   One-key adjustment function for pupil distance and focus: it’s able to satisfy the use of myopic users under 700 degrees with naked eyes by adjusting pupil and object distance!   It's with  strong compatibility, any mobile phone of 4~6 inches is available in this machine!   2.. What is the specification of Cheap Virtual Reality Case 3D All in One RK A1 Glasses? Material: ABS Plastic  Lens: 38mm coated glass lens  Breakthrough : Side part key function buttons and touch mouse control board  Color: Black body / Green, Yellow,Blue, White,Red front case  Compatiblity: 4.0-5.8" mobile phone  Product size: 192x103x130mm  Pckage size: 220x140x130mm  N.W: 403G  G.W: 555G  Carton size: 75x42x45.5cm; 30pcs/ctn; N.W: 18.5KG; G.W: 20KG    3. What is thefunction details of Cheap Virtual Reality Case 3D All in One RK A1 Glasses? 4. Item pictuer show:  Contact me