Rivo Rhythm RX88 ($ 69)

Features:
Audio3.5mm audio jack, Speakerphone

Specifications:

BuildOSAndriod OS V6.0 (Marshmallow(
Dimensions143.5 x 72 x 9.5mm
Weight160g
SIMDual-SIM, Dual Standby
ColorsVarious
Frequency2G BandSIM1: GSM 850 / 900 / 1800 / 1900
SIM2: GSM 850 / 900 / 1800 / 1900
3G BandWCDMA 900 / 2100
ProcessorCPU1.3 GHz Quad-Core
ChipsetMTK6580M
DisplayTechnologyFWVGA Display
Size5.0 inches
Resolution480 x 854 pixels
MemoryBuilt-in8GB built-in, 1GB RAM
CardmicroSD card (supports up to 32GB)
CameraMain5 MP, autofocus, LED Flash
FeaturesVideo
Front2 MP Camera
ConnectivityWLANWi-Fi 802.11 b/g/n
BluetoothYes
GPSNo
RadioFM Radio
USBYes
NFCNo
DataGPRS, EDGE, 3G HSPA
FeaturesAudio3.5mm audio jack, Speakerphone
BrowserWAP
MessagingSMS (threaded view), MMS, Email, Push Email
Gamesbuilt-in + downloadable
TorchYes
ExtraDual Sim, Dual Stand-by, Google Search, Maps, Gmail, Youtube, Calendar, Auto Call Recording, Call and SMS Block, Mobile Tracker, World Clock, Social Apps TBD, MP4/WMV/H.264/H.263 player, MP3/AAC/WMA/WAV player, Google Talk
BatteryCapacity2200 mAh
Standbyup to 11 days
Talktimeup to 4.5 hrs 2200 mAh