1.Appear on market time 2005 2.The network make type GSM 900/1800 3.The cellular phone type keeps plank 4.The lord holds the parameter monochrome to hold, 96 ? 68 pixels;amber background light 5.The standard installs a lithium battery(the CAs BL-5s 700 mAhs), charger 6.Converse time is 190-320 minutes 7.Need the machine time for 245-380 hours 8. The outer shell color black, blue, gray, white 9.Physical volume 103.8 ? 43.8 ? 17 mmses 10.Weight 80 grams