ordinary (white)(普通款（白色）) ordinary (black)(普通款（黑色）) engineering version black (with audio)(工程版黑色（带音频）) upgraded black (with audio)(升级款黑色（带音频）) distinguished model (white with audio with power supply)(尊贵款（白色带音频带供电）) distinguished model (black ribbon audio with power supply)(尊贵款（黑色带音频带供电）) project version ordinary black (ag6201)(工程版黑色普通款（AG6201）) engineering version with audio power supply (ag6201)(工程版带音频供电（AG6201）) straight-through cable 1.5m(直连线1.5M) straight-through cable 3m(直连线3M)

0.25 m(0.25米)