Feature: 1. [Application Phone Size] Mini cell phone microscope, compact size, more portable for outdoor travel. With stretch design, adaptable to most cell phone models on the market, can be clamped size 66 to 96mm. 2. [Extended Connection] Cold shoe port can be connected to conventional photography fill light and microphone, etc. 1/4in nut port can be connected to conventional tripods and selfie sticks and other accessories. 3. [Multi Application] The best focusing distance of this pocket clip microscope is 5.5‑6.8mm, widely used in outdoor exploration, insect observation, circuit board observation and other scenarios. 4. [EVA Spacer] If your phone camera head is raised, choose the right thickness of EVA spacer (2mm, 3mm, 4mm thickness) to stick on the inner surface of the clip, so that your phone camera head can be flush with the clip. 5. [Professional Design] Phone microscope is designed with silicone recessed steps to effectively avoid pressing on the phone buttons. Beveled design, simple appearance, comfortable hand feeling does not hurt the hand. Specification: Item Type: Pocket Clip Microscope Material: ABS, Optical Glass Effective Focal Length: Approx. 12.5mm/0.49in Field of View Diameter: Approx. 19.2-20.4mm / 0.76-0.8in Focusing Distance: Approx. 5.5-6.8mm / 0.22-0.27in Phone Clip Can Clip Phone Size: Approx. 66-96mm / 2.6-3.78in Lens Coating: Full Surface Multilayer Broadband Coating Auxiliary Light Source: 6 LED Fill Light Number of Lenses: 4 Pieces of 4 Groups of Optical Glass with CPL Charging Interface: Type C Interface Indicator Light: Red Indicates Charging, Green Indicates Full Battery Information: Lithium Ion Battery 50mAh (Shipped With Built in Battery). Package List: 1 x Pocket Clip Microscope1 x Bag of EVA Spacer (2mm/0.08in, 3mm/0.12in, 4mm/0.16in)1 x Charging Cord1 x Cleaning Cloth1 x Instruction Manual