The Samsung X660 is a flap phone with a storage capacity of 8 Mb. Encased in a black and silver casing, the phone measures 90 mm x 45 mm x 22 mm. It weighs only 78 grams. The X660 has a dual screen display. The internal screen provides TFT LCD display with 65,000 colors and with resolution of 128 x 160 pixels. The external mini display of the phone also has 65,000 colors with resolution of 96 x 96 pixels. The X660 can play different types of ringtones in formats such as polyphonic, MP3, and ACC. The phone is suitably equipped with speakers for listening to music. The phone is enhanced with a VGA camera with digital zoom and clarity of 640 x 480 pixels. The camera has features such as frames, special effects, quality setting, and a choice of three shot options (single shot photo, multi shot photo, or a mosaic tile shot). The memory of the phone can store up to 1000 numbers including 20 outgoing calls, 20 received calls, and 20 missed calls. Tri-band technology installed in the phone includes GSM 850, GSM 900, and GSM 1800 networks. The X660 is built-in with a 32-48 kps modem. The phone comes with a USB port that can be connected to the computer; songs and data from the phone can be transferred to the computer and visa-versa. The phone is equipped with a Li-Ion battery which can lasts for 200 hours on standby, and has 3 hours 30 minutes of talk time.