16GB class10 micro sd card 1.class10 2. Competitive price with excellent quality 3. Software update Micro sd card,tf card1, READ SPEED: 15.4MB/S(MAX) 2,WRITE SPEED: 10.0MB/S(MAX) 3,Capacity: 116GB4, Dimensions: 15mm×11mm×1.0mm 5,Weight: 1.14g 6,Housing Material: Plastic 7, Voltage: 2.7V - 3.6V 8,Firmware upgrade:Yes 9,Data protection:Yes 16GB class10 micro sd card