USB Microscope
calculator with rule
Round Working Light
Double Wall Stainles
Airplane USB Hub
SD Card Model No.:CG3989Description: 1. Secure digital card system standard compatibility 2. Read speed: 3 Mbps (max.) 3. Write speed: 3 Mbps (max.) 4. Operating temperature: -15°C-70°C 5. Size: 24 x 32 x 2.1mm (Packing size:...