Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Halo Pocket Power Starlight 3000mAh Power Bank with Flash Light, Purple Leopard
Product description: The Halo Pocket Power Starlight 3000mAh Power Bank with Flash Light is the perfect 2-in-1 device for everywhere you go. First, it acts as a portable back up battery for your devices, allowing you to easily recharge your mobile devices when you're away from an outlet. Second, it includes a built-in flashlight, with a handy SOS function, so you can stay safe in emergencies or see at night. Included is a charging cable with a USB and microUSB adapter, as well as a 30-Pin adapter, for easy charging. Plus, you can even use your own USB charging cables for even greater compatibility. A convenient power gauge on the Halo lets you keep an eye on how much power you have left, while the storage pouch makes it easy to travel!
Product feature: 3000mAh back-up battery provides extra power to charge your phone or mobile device, Includes a built-in flashlight with an SOS function that flashes SOS in morse code in case of an emergency, A convenient power gauge on the side lets you quickly see how much power is left, Included storage pouch is ideal for portability so you can toss the power bank in your bag or purse, Comes complete with a charging cable that includes a USB and MicroUSB adapter, as well as a 30-Pin adapter, for easy charging
Product brand: Halo
Target attributes: Maximum Output
Answer: attribute: maximum output
value: None
source: None