SAFETY GUARANTEE: Multiple built-in safeguards (CE / FCC / RoHS Certification) and intelligent IC identification technology protect against short circuit, over-current, over-voltage, over-heating and over-char ging. Automatically stops char ging when battery capacity is full to ensure your device safety and long lifetime. USB char ging KIT: The Ixir Combo Char ger Set includes 1x Wall Char ger and 2x Micro USB to USB cables. Portable, small and lightweight. Ixir Combo Char ger set Char ges all other non-fast devices, phones and tablets that use Micro-USB, at their normal speed. ADAPTIVE FAST char ging TECHNOLOGY: With Ixir Quick Char ge 2.0 (QC 2.0) Technology, (Adaptive Fast Char ger) your battery can go from zero to up to 75% battery level within only 30 minutes, giving instant usability of your smartphone. COMPATIBLE DEVICES: Works with Adaptive Fast char ging (AFC) compatible devices. Sync and transfer files via Micro-USB data cable. Samsung: Galaxy S7, S7 Edge, Note 4, Note Edge, S3, S4, S6, S6 Edge, S6 Edge+ and more. 100-220V voltage, suitable for the U.S. and World electrical standards LIFETIME REPLACEMENT WARRANTY - SUPPORT AND MORE: Ixir offers a no-hassle money-back guarantee for a full 30 days. After that, we offer a lifetime return-and-replace warranty for manufacturer defects. Please contact our Customer Service to get a replacement or a refund. Warranty non-transferable to unauthorized re-sellers!