Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Samsung Champ 2 C3330 Unlocked GSM Phone with Touchscreen (TouchWiz Lite UI v2.0), 2MP Camera, Video, Bluetooth, SNS Integration, FM Radio, MP3/MP4 Player and microSD Slot - Silver
Product description: Designed to impress by look, touch and performance, the Samsung Champ 2 offers premium quality for mobile users. The large 2.4-Inch QVGA full touch screen emphasizes the mobiles sleek and chic look while showcasing the mobiles contents beautifully. Compact for portability, the metallic chassis is cool and sophisticated. For the best in multimedia access, look no further than Samsung Champ 2! The home screen is extendable up to 7 pages, so it can hold your favorite applications. You can also choose from up to 13 different widgets for the services you need most. But thats not all this mobile comes equipped with a 2MP camera, MP3 player (with convenient 3.5mm ear jack) and FM radio!
Product brand: Samsung
Target attributes: SIM Slots
Answer: attribute: sim slots
value: None
source: None