Will it make any difference in data transfer speed if I use Class 2, 4, 6 or 10 micro SD card on MP860/MP870? 分类 : 设定安装与操作使用 "No matter which class of micro SD card you use on MP860/MP870, the read/write speed would be the same.Note: the speed here refers to the direct read/write speed of the MP860/MP870 to the micro SD card, not the computer's." Is the answer helpful? 相关信息 我的音乐播放器录音不清晰，该如何解决? 新买的MP3音乐播放器里面怎么会有文件夹?可以删除吗? How can I listen to the source audio while line-in recording? 技术支持 如果这个解答对您没有帮助，请您连络我们的技术支援部门 开始填写