["brand new and high quality\nFeatures:\nDual-screen full-key distortion-free piano online teaching training special lens, art online teaching fisheye lens, drawing online teaching super wide-angle lens.<br/>\nAdopts industrial-grade aluminum and advanced optical lens design allows you to take photos with stunning clarity and detail without vignetting, blurring, and disconnection.<br/>\nMore high-definition, greater angle, no need to stand and watch the full for key.<br/>\nThe soft rubber clip will not scratch or damage your mobile device, and the longer clip length makes it more stable on your phone.<br/>\nComes with a black bag for easy storage, disassembly or installation, so you can take it with you when you hike or travel.<br/>\n\nSpecifications:\nProduct Name: Dual-screen, Full-key, Distortion-free Piano Online Teaching Special Lens, Art Online Teaching Fisheye Lens, Painting Online Teaching Super Wide-angle Lens\nAdvantages: More High-definition, Larger Angle, No Need to See the Full for Key\nMaterial: Optical Lens+Aluminum Alloy+Plastic for Shell\nSize: Approx. 10.7x3 for cm/4.21x.18 inch\nColor: Black\n\nNote:\nPlease allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. \nDue to the difference between different monitors, the picture may not reflect the actual color of the item.\n\nPackage Includes:\n1x Piano Fish Eye Lens"]