Sony Xperia M4 Aqua ($ 256)

Features:
SensorsAccelerometer Compass Proximity  

Specifications:

BuildOSAndroid OS v5.0.x (Lollipop)  
Dimensions140.5 x 72.6 x 7.3 mm  
Weight136 g  
SIMOptional Dual-SIM Dual Standby Nano-SIM  
ColorsBlack White Copper Silver  
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900  
3G BandHSDPA 850 / 900 / 2100  
4G BandLTE 800 / 850 / 900 / 1800 / 2100 / 2600  
ProcessorCPU1.5 GHz Quad-Core Cortex-A53 1.0 GHz Quad-Core Cortex-A53  
ChipsetQualcomm MSM8939 Snapdragon 615  
GPUAdreno 405  
DisplayTechnologyIPS LCD capacitive touchscreen 16M colors Multitouch up to 4 fingers  
Size5.0 inches (~67.6% screen to body ratio)  
Resolution720 x 1280 pixels (~294 ppi pixel density)  
ProtectionScratch-resistant glass  
MemoryBuilt-in8GB built-in 2GB RAM  
CardmicroSD Card (supports up to 32GB)  
CameraMain13 MP 4128 x 3096 pixels autofocus LED flash  
FeaturesGeo-tagging touch focus face/smile detection HDR panorama Video 1080p@30fps HDR  
Front5 MP 720p  
ConnectivityWLANWi-Fi 802.11 a/b/g/n dual-band Wi-Fi Direct DLNA hotspot  
Bluetoothv4.0 with A2DP LE apt-X  
GPSYes + A-GPS support & Glonass  
RadioStereo FM radio with RDS  
USBmicroUSB v2.0 USB Host  
NFCYes  
DataGPRS (Up to 107 kbps)  EDGE (Up to 296 kbps) 3G (HSPA 42.2/5.76 Mbps) 4G (LTE Cat4 150/50 Mbps)  
FeaturesSensorsAccelerometer Compass Proximity  
Audio3.5mm audio jack  
BrowserHTML5  
MessagingSMS (threaded view) MMS Email IM Push Email  
Gamesbuilt-in + downloadable  
TorchYes  
ExtraANT+ support Active noise cancellation with dedicated mic ANT+ support IP68 certified - dust and water proof up to 1.5 meter and 30 minutes Organizer Document viewer Voice memo/dial Predictive text input  
BatteryCapacity2400 mAh  
Standbyup to 681 hrs  
Talktimeup to 12 hrs 40 min