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 Chat C322 GSM Unlocked Dual SIM Phone with QWERTY Keyboard, 1.3 MP Camera and MP3 Player - Black - US Warranty
Product description: The first mobile to offer a QWERTY keypad with DUOS, Samsung Ch@t 322 gives traveling business people and communicating heavy texters better mobile options on the go. Whether you're juggling two phone numbers or taking advantage of different tariff plans, access to two SIM cards helps you stay in touch with double the convenience! Enjoy anytime, anywhere access to your email, favorite social networking sites and even instant messaging! The QWERTY keypad facilitates typing while the optical joystick and menu shortcuts ensure navigation is a breeze! Always be connected - with your business colleagues, friends and family!
Product feature: TFT LCD Display, 262K TFTcolors (2.2'-inch); 54MB Internal Memory Storage and MicroSD Slot up to 8 GB; JAVA MIDP 2.0/CLDC 1.1 Platform; Internet Browser (Access NetFront v3.5); Bluetooth v2.1 with A2DP and Email Supported., Unlocked Quad Band Dual SIM GSM cell phone compatible with 850/900/1800/1900 mHz frequencies on both SIM Card slots plus GPRS/EDGE data capabilities., Dual SIM (dual standby) GSM Phone; QWERTY keyboard; Optical TrackPad; 1.3 MP Camera; 3.5mm Ear jack; MP3/MP4 Player; FM Radio; MP3 Ringtones; SNS Integration; Full Multimedia; Mobile Printing Supported and Multiple Instant Messenger., This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported., Talk time up to 11 h - Standby up to 500 h
Product brand: Samsung
Target attributes: Weight
Answer: attribute: weight
value: None
source: None