Tips:Speed:16GB/32GB -- Class 10 SDHC UHS-I Class 10 U164GB -- Class 10 SDXC UHS-I Class 10 U1 Technical parameters:Size: 15mm x 11mm x 1mmWeight: 0.25gWorking temperature: - 25c-- 85c Storage temperature: - 40c -- 80c Standard: SDA 3.0Compatibility: Smartphone/ Tablet/ Car black box， etcElectric condition: 2.7--3.6VProduct Life: More than 1000 in-sertions/unplugs Package Contents:1 x Micro card1 x Package