Karbonn K440
| Network | 2G 3G | GSM 900 / 1800 - SIM 1 & SIM 2 |
| Size | Dimensions Weight Display | 119.5 x 54 x 13.5 mm (4.70 x 2.13 x 0.53 in) TFT touchscreen, 256K colors 240 x 320 pixels, 2.8 inches (~143 ppi pixel density) |
| Memory | Phonebook Call records Internal Card slot | 1000 entries Yes microSD, up to 16 GB |
| Data | GPRS EDGE 3G WLAN Bluetooth Infrared port USB | Yes Yes Yes |
| Features | OS CPU Messaging Ringtones Browser Radio GPS Games Camera Video Colors Java | SMS, MMS Vibration, Polyphonic, MP3 ringtones Yes FM radio; FM recording Yes 1.3 MP, 1280 x 1024 pixels Yes Black/white, black/red Yes - Loudspeaker - Dual SIM (Mini-SIM) - Audio/video player - Image viewer - Organizer - Clock - Calendar - Alarm |
| Battery | Stand-by Talk time | Standard battery, Li-Ion 2100 mAh Up to 800 h Up to 12 h |
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