GFive Smart 2 ($ 31)

Features:
Audio3.5mm audio jack

Specifications:

BuildOSAndroid 4.4 (Kit Kat)
Dimensions124.9 x 65 x 11.9mm
WeightN/a
SIMDual-SIM, Dual Standby
ColorsBlack
Frequency2G BandSIM1: 850 / 900 / 1800 / 1900
SIM2: 850 / 900 / 1800 /1900
3G BandWCDMA
ProcessorCPU1.2 GHZ Dual-Core
DisplayTechnologyWVGA Capacitive touch Screen
Size4.0 inches
Resolution800 x 480 pixels
MemoryBuilt-in2/4 GB built-in, 256/512MB RAM
CardMicroSD (Support upto 32 GB)
CameraMain2.0 MP, Flash Light
FeaturesVideo
FrontVGA
ConnectivityWLANYes
BluetoothYes
GPSNo
RadioFM radio
USBYes
NFCNo
DataGPRS, EDGE, 3G
FeaturesAudio3.5mm audio jack
BrowserHTML
MessagingSMS, MMS, Email, IM
GamesBuilt-in
TorchYes
ExtraVoice search, We Chat, skype, Calendar, Calculator, Tasks, Document organiser
BatteryCapacityN/a