ST3.0 DESIGNERS beat wireless headphones stereo bluetooth headsets foldable earphone animation showing

Individually packaged products. headphone no mic,micro ear bluetooth,ps4 gaming headsets Due to different light and monitor, the color of the pictures and real product has a little different.Pls understand it. how can we guaranteequality?Always a pre-production sample before mass production;Always final Inspection before shipment; Each product is strictly tested to ensure that there is no problem in sending the goods. creating more benefits for more future partners and old customers,and achieving the goal of win-win cooperation!.syi