AGPtEK 3x LED Light Micro USB Charging Data Sync Cable for HTC Samsung Galaxy S3 S4 S5,Htc One X, Lg, Sony Experia,All Android Phone and Tablet - 3.3 ft(7 changing color) With LED lights in full cables, when charging or sync data, you will see Led Light Lights up, very beautiful and cool Sync Data through a USB Port of your Computer/PC/Laptop with this unique Led Light cable Charge your device through a computer's USB port or a USB power adapter The cable will light up if being connected, but the brightness of the led light depends on the distance from the USB connector to the led, much further, much weaker. And the led light will be much effective in darker place