... the new ipad 2.Pocket size, slim,mini,hard case 3.Support mobile operating systemFeature:1, using the broadcom 2042 main chip, with bluetooth3.0 ... . 4 Receiver sensitivity:-75bm (standard) up to 4bm, low radiation 5, modulation: 2.4G Direct Sequence Frequency Hopping (FHSS) 6, transmit ...