Brand: Samsung Model: Piton SM-B310E Body Dimensions: 112.7 x 46.4 x 13.1 mm (4.44 x 1.83 x 0.52 in) Weight: 75 g (2.65 oz) SIM: Dual SIM, (Mini-SIM, dual stand-by) Display Type: TFT, 65K colors Size: 2.0 inches, 12.6 cm2 (~24.1% screen-to-body ratio) Resolution: 128 x 160 pixels (~102 ppi density) CPU: 208 MHz Memory Card slot: microSD, up to 16 GB (dedicated slot) Phonebook Call records Sound Alert types: Vibration, MP3 ringtones Loudspeaker 3.5mm jack Radio: Stereo FM radio, RDS, recording Battery: Removable Li-Ion 800 mAh battery 1 Year Warranty