Panasonic RPSDP08GU 0SD-CARD 8GB CLASS-4
Transfer data at speeds of up to 20MB per second / For cameras and other devices that accept 8GB SDHC Media Cards Impedance -  20 Ohms   Sensitivity -  108dB   Impedance (ohm/1kHz) -  20   Max. Input (mW) -  1000   Weight (oz.) w/o cord -  2.32   Neodymium Rare-earth Magnet   Compact Carrying Case   Travel-Fold Design   Large Foam Earpads   Single-side Cord   Automatic rewinding cord system   Carrying Pouch -  Ultra-thin carrying case included   Color -  Black