Rivo Rhythm RX75 ($ 80)

Features:
SensorsAccelerometer, Compass, Proximity

Specifications:

BuildOSAndroid OS 5.0 (Lollipop)
Dimensions134.7 x 66.9 x 10.8 mm
WeightN/a
SIMDual-SIM, Dual Standby
ColorsBlack, White
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G BandWCDMA
ProcessorCPU1.3 GHz Quad-core
DisplayTechnologyFW VGA IPS High Resolution Display
Size4.5 inches
Resolution854 x 480 pixels
MemoryBuilt-in8GB built-in, 1GB RAM
CardmicroSD card (supports up to 32GB)
CameraMain8MP, AutoFocus, LED Flash
FeaturesVideo
Front2.0 MP Camera
ConnectivityWLANWi-Fi 802.11 b/g/n
BluetoothYes
GPSNo
RadioFM Radio
USBmicroUSB
NFCNo
DataGPRS, EDGE, 3G
FeaturesSensorsAccelerometer, Compass, Proximity
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS (threaded view), MMS, Email, Push Email
GamesBuilt-in + downloadable
TorchYes
ExtraMaps, Gmail, Youtube, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player
BatteryCapacity3000 mAh