fanfan

1.with simple but elegant design 2.varaible voltage with three level: 3.5v(Red)-3.8(blue)-4.1v(white),can meet different customers’ demand 3.use high-tech glass fiber material,three colors（red blue silver）for option 4.innovative design on power button with sheild appearance 5.510 thread connector 6.with micro usb charger port at bottom-more convenient charging anytime

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