durable bluetooth keyboard case for ipad 3 from China 1.Waterproof,dirtyproof,snowproof . 2,Top quality and low price. 3.OEM/ WELCOME ... Using the broadcom 2042 main chip, with bluetooth2.0 Interface 2, Using the Bluetooth industry leading software solutions, WIDCOMM BTW ( ... :-75bm (standard) up to 4bm, low radiation 5, Modulation: 2.4G Direct Sequence Frequency Hopping (FHSS) 6, Transmit power: Class ...