dell R14 n4010 服务编号D89LBN1有自带蓝牙吗答:1 0J43V Processor, I3-350M, 2.26, 3MB, Arrandale, C2 1 46D3T Hard Drive, 320GB, S2, 7.2K, P11, SGT-HOLL 1 1R28D Keyboard, 86, United States, English, C11S 1 1M7VF Assembly, Bracket, Notebook, Right, Liquid Crystal Display, N4010 1 2GD70 Assembly, Bracket, ...