Mobilink Jazz Xplore JS500 ($ 52)

Features:
Audio3.5mm audio jack, Speakerphone

Specifications:

BuildOSAndroid 4.4 (Kit Kat)
DimensionsN/a
WeightN/a
SIMDual SIM
ColorsBlack
Frequency2G BandSIM1: 850 / 900 / 1800 / 1900
SIM2: 850 / 900 / 1800 / 1900
3G BandWCDMA
ProcessorCPU1.3 GHz Dual-Core Processor
DisplayTechnologyIPS Display, 16M colors, Multitouch
Size4.0 inches
MemoryBuilt-in4GB Built-in, 512MB, RAM
CardMicroSD Crad (Support up to 32GB)
CameraMain2MP, LED flash
FeaturesGeo-tagging, Video
FrontVGA Camera
ConnectivityWLANWi-Fi 802.11 b/g/n, Wifi hotspot
BluetoothYes
GPSYes + A-GPS support
RadioFM Radio
USBmicroUSB
NFCNo
DataGPRS, EDGE, 3G
FeaturesAudio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS(threaded view), MMS, Email, Push Mail
GamesBuilt-in + downloadable
TorchYes
ExtraMaps, Gmail, Youtube, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player
BatteryCapacity1300 mAh