SpecificationAppearance size length: 200mm width: 110mm height: 216mmWeight: 460gOptical information lens: aspherical resin lensLens diameter: 42mmHorizontal field of view (FOV): 90 ~ 120 ° Supports viewing with glasses. Dual adjustment system for pupil distance and object distanceHeadphone information speaker sensitivity: 112dB / mwSpeaker impedance: 320Frequency response range: 2020000HzPlug diameter: 3.5mmHeadphone plug type: straight plug typeCompatibility information: This product is currently compatible with most Android and ios smartphones with 4.5-6.0 inches on the marketInteractive mode: the combination of handle remote control and head controlAdapt to myopia: below 400 degreesFeaturesCompatible devices: smart phonesAll-in-one virtual reality glasses: yesSensor type: lens virtual realityNotes:1. 1 inch = 2.54 cm2. Please measure it yourself to choose the right size.3. Due to the difference between the different displays, the picture may not reflect the actual color of the item. Thank you!