Xiaomi Mi S ($ 0)

Features:
SensorsAccelerometer, Gyro, Compass, Proximity, Barometer

Specifications:

BuildOSAndroid OS, v6.0 (Marshmallow)
Dimensions128.3 x 64.2 x 8.2 mm
Weight138 g
SIMDual-SIM, Dual Standby, Nano-SIM
ColorsVarious
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G BandHSPA
4G BandLTE
ProcessorChipsetSnapdragon 821 chipset
DisplayTechnologyIPS LCD capacitive touchscreen, 16M colors, Multitouch
Size4.6 inches
Resolution1080 x 1920 pixels
MemoryBuilt-in128GB built-in, 4GB RAM
CardNo
CameraMain12 MP, autofocus, dual-LED + dual tone flash
FeaturesF/2.0, phase detection, 1/2.3" sensor size, 1.55µm pixel size, geo-tagging, touch focus, face/smile detection, panorama, auto-HDR, Video (2160p@30fps, 1080p@120fps)
Front4 MP, f/2.0, 1/3" sensor size, 2µm pixel size, 1080p
ConnectivityWLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetoothv4.2 with A2DP, LE
GPSYes + A-GPS support & Glonass, BDS
RadioFM radio
USBUSB Type-C port
NFCYes
DataGPRS, EDGE, 3G HSPA, 4G LTE
FeaturesSensorsAccelerometer, Gyro, Compass, Proximity, Barometer
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS(threaded view), MMS, Email, Push Mail, IM
Gamesbuilt-in + downloadable
TorchYes
ExtraFast battery charging: 83% in 30 min (Quick Charge 3.0), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer, Google Search, Maps, Gmail, Document viewer, MP4/DivX/XviD/WMV/H.265 player, MP3/WAV/eAAC+/FLAC player, YouTube, Google Talk
BatteryCapacity2600 mAh