Sony Ericsson W660i

Jaringan: UMTS/GSM 900/1800/1900 MHz
Dimensi: 102 x 46 x 14,5 mm
Berat: 93 gram
Display: TFT 256.000 warna, Res. 176 x 220 pixel
Kamera: 2 Mpix, Res. 1600 x 1200 pixel, kamera depan VGA
Memory: Internal 16 MB, slot kartu Memory Stick Micro (M2)
Fitur: 3G, GPRS kelas 10, HSCSD, WAP 2.0/xHTML/HTML browser (NetFront v2.0), Bluetooth v2.0 dengan A2DP profile, USB, SMS, MMS, Email, Instant Messaging, RSS Feeds, Picture Blogging, Java MIDP 2.0, Walkman player v2.0, Radio FM dengan RDS, TrackID music recognition, Rintone Polifonik/MP3, Voice memo.
Batere: Lithium Polymer 950
Standby Time: 350 jam
Talk Time: 7 jam