Transcend SD Card is a highly secure stamp-sized flash memory card and it weighs approximately only two grams. The SD Card can be used in a variety of digital products; digital music players, cellular phones, handheld PCs , digital cameras, digital video camcorders, smart phones, car navigation systems and electronic books.

Also, these cards are NON-HC (High-Capacity) and will work with most of the devices that the 4GB SDHC do not work with. 

• Mechanical Write Protection Switch.
• Number of Pins: 9 Pins
• Compliant with Secure Digital Music Initiative(SDMI) portable device requirements.
• Limited Lifetime Warranty

Technical Information:

• Size: 32mm x 24mm x 2.1mm(L x W x H)
• Op. Voltage: 2.7V-3.6V
• Op. Temperature: -25 °C(-13 °F) to 85 °C(185 °F)
• Durability: 10,000 insertion/removal cycles
• Weight: 2g