Fit most kinds of mobile phones.Applicable to watch the game, concerts, tourism, observe animal lovers, news reporter long-distance-shooting etc.Special mobile phone clamp, tight clamping force, strong bite force.Show children the micro world, satisfy their curiosity, and stimulate their interest in learning.Comes with LED lights, No APP needed, just clip it on phone lens and you can use it.Specification: Magnification: 400XDistortion: -1％Closest focusing distance: 0.6mmBattery: 3.7V, 110mAhMaterial: aluminum alloyColor: blackPackage size: 120 * 60 * 50mm / 4.7 * 2.4 * 2.0inPackage weight: 92g / 3.2ouncePackage Included:microscope*1If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.An anti-slip foot pad is added to the bottom to make observation more stable.