Lenovo A328 ($ 0)

Features:
Audio3.5mm audio jack  

Specifications:

BuildOSAndroid OS v4.4.2 (KitKat)  
Dimensions132 x 68.5 x 11 mm  
Weight140 g  
SIMDual-SIM Dual Standby Mini-SIM  
ColorsBlack White  
Frequency2G BandSim1: 900 / 1800 / 1900
Sim2: 900 / 1800 / 1900  
3G BandHSDPA 900 / 2100  
ProcessorCPU1.3 GHz Quad-Core Cortex-A7  
ChipsetMediatek MT6582M  
GPUMali-400MP2  
DisplayTechnologyCapacitive touchscreen 16M colors Multitouch  
Size4.5 inches  
Resolution480 x 854 pixels (~218 ppi pixel density)  
MemoryBuilt-in4GB built-in  1GB RAM  
CardmicroSD card(supports uo to 32 GB)  
CameraMain5 MP 2592 x 1944 pixels  
FeaturesGeo-tagging Video  
Front2 MP  
ConnectivityWLANWi-Fi 802.11 b/g/n hotspot  
Bluetoothv4.0 with A2DP  
GPSYes + A-GPS support  
RadioFM radio  
USBmicroUSB v2.0  
NFCNo  
DataGPRS  EDGE 3G (HSPA 21.1/5.76 Mbps)  
FeaturesAudio3.5mm audio jack  
BrowserHTML  
MessagingSMS(threaded view) MMS Email Push Mail IM  
TorchNo  
ExtraOrganizer Document viewer Voice memo/dial Predictive text input Google Search Maps Gmail YouTube Calendar Google Talk  
BatteryCapacity2000 mAh  
Standbyup to 240 hrs  
TalktimeUp to 21 hrs hrs