Nokia 105 ($ 21)

Features:
Audio3.5mm audio jack Speakerphone  

Specifications:

BuildDimensions107 x 44.8 x 14.3 mm 64 cc  
Weight70 g  
ColorsBlack Cyan  
Frequency2G BandGSM: 900 / 1800  
DisplayTechnologyTFT 56K colors  
Size1.4 inches  
Resolution128 x 128 pixels  
MemoryBuilt-in8MB built-in  
CardNo  
Contacts500 entries  
CameraMainN/A  
FeaturesN/A  
FrontNo  
ConnectivityWLANNo  
BluetoothNo  
GPSNo  
RadioFM radio  
USBYes  
NFCNo  
FeaturesAudio3.5mm audio jack Speakerphone  
BrowserN/A  
MessagingSMS  
Gamesbuilt-in  
TorchNo  
ExtraDigital clock Calculator Calendar Converter Expense manager  
BatteryStandbyUp to 840 h  
TalktimeUp to 12 h 30 min