Fixed Wireless Phone Our Desk Phone support dual SIM cards and several GSM frequency including 850/900/1800/1900MHZ and 2G network as well.Multifunction phone It can speed dial, record 50 groups of call records for your convenience and other regular functions. In addition to the regular functions, there are radio, alarm clock functions. A telephone brings more functions.Multinational system language Chinese, English, French, Spanish, Portuguese 5 languages provide you to choose, you can set up the language you need.Powerful battery Builtin 1000mAh liion battery provides up to 5 days of battery life without having to worry about suddenly running out of power.7 levels of brightness adjustment Depending on the ambient light, you can adjust the display font brightness to clear content display.External antenna External antenna makes the signal receive more stable, the trouble of disconnection, every call sound quality clear, unimpeded communication.Type: 6588GSM Frequency: 850/900/1800/1900MHZBattery: 3.7V 1000mAh Liion BatteryLCD Backlight Function: SupportVoltage: AC220VPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onColour:BlackMaterial:ABSSize:25x20x6.8cm/9.8x7.9x2.7inchPackage Contents:1 x Cordless Phone Desk PhoneOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.