USB+SD+MMC Card,3C Card,3 in 1 USB2.0 Can be used as USB,SD Card & MMC Card ... people, this is the biggest revolution in Memory cards to hit the market, the amazing 3C CARD is HERE. ... so it will never fall out- Weatherproof- Shockproof- Able to be stored on your keyring or in your walletNow not ... of your wallet and plug straight into your camera to take more photos. Specifications:High speed SD card with ...