Mini TF Card 64MB 128MB 256MB 512MB Flash Memory Card for Industrial Device MP3 GPS Navigator

Product Description This is a Mini TF (Micro SD) Card designed for specific industrial, security, and legacy electronic devices. It offers reliable storage for systems that do not support large-capacity modern cards. Key Features:Stable Performance: High-quality flash memory chips ensure stable data storage.Wide Compatibility: Suitable for older devices, dash cams, and industrial control systems.Durable Design: Waterproof, shockproof, and anti-X-ray protection.⚠️ Important Capacity Note (Please Read Before Buying):Due to different calculation methods between manufacturers and operating systems (Windows/Mac), the displayed capacity will be smaller than the nominal capacity.Manufacturer Standard: 1GB = 1,000,000,000 BytesOS Calculation: 1GB = 1,073,741,824 BytesActual Available Space:64MB ≈ 55MB - 60MB128MB ≈ 110MB - 115MB256MB ≈ 220MB - 230MB512MB ≈ 460MB - 480MBThis is normal for all storage products. Please search "Flash Drive Capacity Calculation" if you need more details.️ Technical Specifications:Product Name: Mini TF / Micro SD Memory CardAvailable Capacities: 64MB / 128MB / 256MB / 512MBDimensions: 15mm x 11mm x 1mm (Standard Micro SD Size)Weight: Approx. 0.5gOperating Temp: -25°C to 85°CStorage Temp: -40°C to 85°C Usage & Testing Tips:Device Limitation: These small capacity cards are mainly used for old mobile phones, MP3 players, GPS navigation, and surveillance cameras. They may NOT work on new smartphones or tablets that require high-speed or large-capacity storage.Speed Test Warning: If you test the speed with a low-quality USB card reader, the result will be very slow or unstable. Please use a standard, brand-name card reader for testing. Package Includes:1 x Mini TF Memory Card (No adapter included unless you selected the combo)