Specifications: Appearance size length: 200mm width: 110mm height: 216mm Weight: 460g Optical information lens: aspherical resin lens Lens diameter: 42mm Horizontal field of view (FOV): 90 ~ 120 ° Supports viewing with glasses. Dual adjustment system for pupil distance and object distance Headphone information speaker sensitivity: 112dB / mw Speaker impedance: 320 Frequency response range: 2020000Hz Plug diameter: 3.5mm Headphone plug type: straight plug type Compatibility information: This product is currently compatible with most Android and ios smartphones with 4.5-6.0 inches on the market Interactive mode: the combination of handle remote control and head control Adapt to myopia: below 400 degrees Features: Compatible devices: smart phones All-in-one virtual reality glasses: yes Sensor type: lens virtual reality