HDVD 12000mah Wireless Qi Portable Charger and Dual USB Output Power Bank With Intelligent LCD Display for iPhone Samsung Galaxy Qi Wireless Technology: Portable charger with a Qi wireless output and two additional smart USB outputs (2.1A and 1.0A each). Simultaneously charges up to three devices at a fast speed without running out of power due to its high-capacity battery size Smart and Efficient Charging: Both of the two USB ports automatically detects optimal charging speed for the devices connected, including iPhones, iPads, and Android. Power bank automatically shuts down itself when not in use to preserve battery usage Premium Design and High Quality Build: A slim design with a high-capacity 12000mAh Battery and a stylish metallic finish Built-in Digital Display: A perfect way to indicate the exact level of battery charge and output power usage for wireless and USB High Quality and Customer Satisfaction Guarantee: Certified by the Wireless Power Consortium (WPC)