Jostling for attention among a crowd of China-focused smartphone card readers, 99Bill's card reader has now been officially revealed. It plugs into your headphone jack and communicates with apps on both iOS and Android. The familiar-looking reader supports both passcode and signature security -- China matches several European countries where passcode cards are the more common option. The company has already hooked up with three insurance companies, but it's keeping quiet on the rates it'll charge per transaction and any further expansion plan
