Battery
Type	1500 mAh, Li - Ion

Connectivity & Features
Bluetooth	4.0
WLAN	b,g,n Hotspot 802.11 b, g, n
USB	microUSB, USB 2.0
Sensors	Accelerometer, Compass, Ambient light sensor, Proximity sensor
Location	GPS, A-GPS
Other	Tethering, Computer sync, OTA sync

Multimedia
Headphones	3.5mm jack
Speakers	Earpiece, Loudspeaker
Features	Album art cover, Background playback

Cellular
3G Bands	1
Dual SIM	Yes

Phone Features
Notifications	Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features	Voice dialing, Voice commands, Voice recording

Celkon Campus Crown Q40