Features: QC3.0 QC2.0 Fast Charging Intelligent identification and automatical output power adjustment, strong compatibility According to the charged devices, intelligently adjust the output power, meets the different devices's charging need. Circuit protection, ensure the safety use Adopts high-quality circuit control chip, not only providing circuit protection, ensuring the safety using status. Still can improve the efficiency of charging and discharging. High Conversion Rate Built-in USB intelligent chip not only for safety, it also can effectively improve the charge conversion, providing stable discharge voltage. Durable in daily use. Mainly Compatible with for Samsung Xiaomi OnePlus LG Work as a safety hammer Metal stainless steel housing, quality is more robust 180 degree rotation adjustment, usage meet with ergonomically designed