我就是纠结这两款:ST 2688-http://item.tmall.com/item.htm?id=6980512773&prc=1和声籁 a566——http://spu.tmall.com/spu_detail.htm?mallstItemId=9326002727&rn=a07a25b49237dde9ad1013a0b0d646d9&prc=1&spu_id=125517774&q=%C9%F9%F4%A5+a566&entryNum=0