<h3 data-start="18" data-end="191"><strong data-start="22" data-end="191">Ntech Cardboard Virtual Reality Store 3D VR Headsets – DIY Virtual Reality Box with Clear Optical Lens and Comfortable Head Strap (Compatible with 4″–6″ Smartphones)</strong></h3> <p data-start="193" data-end="820">Enjoy a hands-on VR experience with the <strong data-start="233" data-end="276">Ntech Cardboard Virtual Reality DIY Box</strong>, featuring a user-friendly build, clear optical lenses, and a comfy head strap—all packaged in a classic cardboard design. This budget-friendly headset allows you to construct your own VR device and then simply slide in any 4″ to 6″ iOS or Android smartphone. The lens system offers good clarity and depth perception, while the adjustable head strap and soft padding ensure a comfortable fit. Perfect for educational projects, DIY enthusiasts, or casual VR exploration, this cardboard headset provides an accessible entry into virtual reality.</p>