Samsung Galaxy J1 Ace ($ 107)

Features:
SensorsAccelerometer, Proximity

Specifications:

BuildOSAndroid OS, v4.4 (KitKat)
Dimensions130.1 x 67.6 x 9.5 mm
Weight131 g
SIMDual SIM, Dual Standby, Micro-SIM
ColorsWhite, Black, Blue
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 900 / 2100
4G BandLTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)
ProcessorCPU1.2 GHz Quad Core Cortex-A7
ChipsetSpreadtrum SC9830
GPUMali-400MP2
DisplayTechnologySuper AMOLED capacitive touchscreen, 16M colors, Multitouch
Size4.3 Inches
Resolution480 x 800 pixels (~217 ppi pixel density)
MemoryBuilt-in4GB Built-in, 768MB RAM
CardmicroSD Card, (supports upto 256GB)
CameraMain5 MP, autofocus, LED flash
Featuresf/2.2, 31mm, Geo-tagging, touch focus, face detection, panorama, Video 720p@30fps
Front2.0 MP Camera
ConnectivityWLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetoothv4.0 with A2DP
GPSYes + A-GPS support & Glonass
RadioFM Radio, RDS, recording
USBmicroUSB v2.0
NFCNo
DataGPRS, EDGE, 3G (HSPA 21.1/5.76 Mbps), 4G (LTE Cat4 150/50 Mbps)
FeaturesSensorsAccelerometer, Proximity
Audio3.5mm Audio Jack, MP4/H.264 player, MP3/WAV/eAAC+/Flac player, Speaker Phone
BrowserHTML
MessagingSMS(threaded view), MMS, Email, Push Mail, IM
GamesBuilt-in + downloadable
TorchYes
ExtraDocument viewer, Maps, Gmail
BatteryCapacity(Li-ion Removable) 1900 mAh
Talktimeup to 10 hrs
Musicplayup to 68 hrs