A cable you always insert from the right side!. Besides the ease of use. this model provides the highest speed of data transfer and charging. The cable is equipped with an E-Mark chip. which enhances the transmission power up to 100 W and provides sufficient bandwidth for fast and complete transmission both for audio and video signal. Also. the E-Mark chip regulates the power supply. which guarantees that using the cable is safe and efficient. The 3.0 generation PD protocol allows you to charge not only smartphones but also laptops. including MacBooks and allows for uninterrupted data transfer even if connected devices change their roles from charging to the data transmission and vice versa.