Calling Tablet PC

We are offering calling tablet pc,
tablet call phone
information model a305
color whiteblack
shell material composite material
configuration os android 4.2
cpu mtk8382 cortex-a7 quad core
frequency 1.3 ghz
gpu mali400 mp2
storage emmc 8gb16gb
sdram 1gb
display screen size 8.0 inch 16：10
screen type ips
resolution 800*1280
touch materialcraft ogs capacitance screen
touch sensitive 5 points
camera front 30w
back 500w
network system wifi ieee 802.11bg
wcdma 90019002100mhz optional
gsm 85090018001900
function calling support
sim card dual card dual standby
bluetooth support
gyroscope optional
g-sensor support
accelerometer support
distance sensor support
ambient light support
vibration motor optional
compass optional
otg support
fm support
gps support
media video, music, pictures, books
connecter earphone 3.5mm
usb micro usb 2.0
hdmi no
expansion card supporttf card，max32g
speaker high quality speaker, with independent cavity
battery life battery lithium polymer battery
capacity 4200mah
voltage 3.7v
input voltage 5v-2a
exterior size 206*121*8.9
weight 355g.