Touchtek QC-11 is a Smart Charge. It Auto Detects the connected device and charges it at the fastest speed of the device. Touchtek uses Latest Technology: India’s smallest charger with a 2.4A power adapter. Exclusive quick charge technology automatically detects and delivers the optimal charging current for any connected device – ensuring the quick and most efficient charge. Highly Compatible With: All Mi / Samsung/ Oppo & Vivo smartphone. Fire-resistant and hardened plastic outer shell for durability, built-in premium circuitry, and microchip ensure device safety.