Rivo Phantom PZ1 ($ 50)

Features:
Audio3.5mm audio jack, Speakerphone

Specifications:

BuildOSAndroid OS 4.4 (Kit Kat)
Dimensions122.4 x 64.5 x 9.9 mm
WeightN/a
SIMDual SIM, Dual Standby
ColorsBlack
Frequency2G BandSIM1: 850 / 900/ 1800/ 1900
SIM2: 850 / 900/ 1800/ 1900
3G BandHSDPA 2100
ProcessorCPU1.2 GHz Quad-core
DisplayTechnologyWVGA IPS Display
Size4.0 inches
Resolution768 x 480 pixels
MemoryBuilt-in4GB built-in, 512MB RAM
CardmicroSD card (supports up to 32GB)
CameraMain5 MP, Auto Focus, LED Flash
FeaturesVideo
FrontVGA Camera
ConnectivityWLANWi-Fi 802.11 b/g/n
BluetoothYes
GPSNo
RadioFM Radio
USBmicroUSB v2.0, USB Host
NFCNo
DataGPRS, EDGE, 3G
FeaturesAudio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS (threaded view), MMS, Email, Push Email
GamesBuilt-in + downloadable
TorchYes
ExtraActive noise cancellation with dedicated mic, ANT+ support, Maps, Gmail, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player
BatteryCapacity1420 mAh