... solution, WIDCOMM BTW Bluethooth software which is specified software gy Microsoft official.3,Specially design for IPAD, It will be more convenient ... to carry with IPAD bag.4,Built-in power management software, It can automatically show the available capacity in the Microsoft ... waterproof for silicone part7,Work with PC and commerical mobile, It will be convenient to word.8,Wording temperaturer: -20 ...