4gb microsd card brand new - unused this lexar micro sd card has 4gb of memory. it stores up to approximately 1000 songs, 2000 images and 14hrs of video clips. compatible with most cameras, mobile phones and chart plotters which take micro sd. expand your mobile device's storage these memory cards instantly add storage space to any device with a microsd/microsdhc memory card slot. expanding the memory of your smartphone or tablet means you can capture more photos and video, carry more files, and enjoy your favorite music wherever you go. record hd video with your mobile phone these cards are completely compatible with mobile phones, laptops, tablets and other devices that support the microsdhc format and are capable of recording hours of hd video (720p). durable design designed to withstand the toughest conditions, sandisk microsd and microsdhc memory cards are waterproof, shockproof, and x-ray proof. they can operate in temperatures ranging from -13 to 185 degrees fahrenheit, so you