Smallest phone available. Has 2 SIM card spots or 1 SIM and 1 Micro SD card slots. Works on GSM850/950/1800/1900 ONLY, not digital. SIZE 68*28*12MM. Can Bluetooth to your smartphone and use as an alternate receiver and speaker. Syncs all contacts to your mini phone. Has a built in speaker for music. Battery charges in 30-60 minutes! Different colours available.