Features: Mobile semiconductor cooling fan, multifunctional camera cooling fan, designing specifically for live streaming. Wide compatibility, suitable for multiple cameras, fully compatibility with 99% of mobile phones on the market that can also be used without remove case and film. Semiconductor refrigeration, digital intelligent temperature control, triple cooling technology, good heat dissipation performances. Build in heat sink, reasonable heat dissipation, rapid cooling, rapid heat dissipation. 30dB low noise quiet operation, large-scale cooling, with a cooling area of up to 99%. The phone holder adopts a stretching design and a 1/4inch bolt fixing design, which can be fixed on camera stands such as gimbals and tripods. Lightweight and portable, making storage and carrying more convenient. Type C can continue to work when connection to the power supply, and there is no burden for long time live streaming. Say goodbye to black screens/lagging. Specifications: Material: Aluminum Alloy+ABS+PC Type: B, A(optional) Cooling Fan Size: approx.87.5x52.2x27mm/3.44x2.05x1.06inch Cable Length: approx. 2m/6.56ft Short Buckle Size B: approx. 75-80mm/2.95-3.14inch, Suitable for A7M4/ZVE1/A6700/A7C2/A7C/A7CR/ZVE10/ZVE10 II/ZV1/FX3/FX30/A7S3 Camera, for 60D/70D/90D Cameras Long Buckle Size A : approx. 82-87mm/3.23-3.43inch,Suitable for R3/R5II/R50, for XS10/XS20 Cameras Package Includes: 1Pc Semiconductor Cooling Fan 1Pc Buckle(short or long optional) 2Pcs Springs 1Pc Phone Clamp 1Pc Type C Power Cable 1Pc Screwdriver note: The picture shows the effect of installation the heat radiator, buckle, spring, and phone clip, you may need to assemble them yourself upon receiving them. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.