ETPocket Car Charger, Tangle-Free Retractable Micro USB Cable Car Charger with 1 USB Charging Port for Samsung S7 Edge S6 Edge and Other Micro USB Device (White) Tangle-free Micro USB Retractable Cable-The diameter for the cable is 2mm and 90cm length. Make your car clear and tidy. For Android system devices, including Samsung Galaxy Phones, Tab,Tab2, Tab3,Tab4, Samsung S2, S3, S3 mini,S4, S5, galaxy3, galaxy4, galaxy5 many tablet and mobile devices One-touch retractable button, easy to operate Smart IC chip technology to prevent overcharging; Smart circuit design with overheat/overcurrent/overcharging protection;