This is a genuine and original product from Sony Ericsson.
Keep using your mobile phone when charging
Keeping your mobile phone charged and ready to use is the first prerequisite of getting the most from your mobile life. With the Two Port Standard Charger CST-75, your phone is not out of commission while it is getting recharged. A cascadable connector allows you to piggy-back the system connector from your portable handsfree, USB cable or music cable into your mobile phone at the same time as it is being charged from the outlet. So you can handle calls or transfer files while your phone gets the power it needs to keep you in touch, in focus and in control all throughout the busy day.
Compatible with:
Sony Ericsson: D750i, J100i, J220i, J230i, K310i, K510i, K610i, K750i, K790i, K800i, M600i, P990i, V630, W300i, W550i, W700i, W710i, W800i, W810i, W850i, W900i, W950i, Z520i, Z530i, Z550i, Z610i, Z710i