Power	Main battery: Li-ion, rechargeable, 4000mAh
	Standby: over 300 hours
	Continuous use: over 12 hours (depending on user environment)
	Charging time: 3-4 hours (with standard adaptor and USB cable)
Expansion Slot	1 PSAM (protocol: ISO7816), 1 SIM, 1 MicroSD (TF) slot
Interfaces	USB Micro-B, OTG
Audio	0.5W speaker, build-in microphone
Keypad	3 TP soft keys, 3 side keys, numeric keyboard
Sensors	Light sensor, proximity sensor, gravity sensor, vibration motor
AC Adapter	Input: 100V-240V, 50-60Hz, 0.29A
	Output: 5V, 2A
Performance
High-level Configuration	CPU: Cortex A-53 1.3 GHz quad-core
	RAM+ROM: 2GB+16GB
Low-level Configuration	CPU: Cortex A-53 1.3 GHz quad-core
	RAM+ROM: 1GB+8GB
Expansion	Supports up to 128 GB Micro SD card