The Karbonn K650 is a scintillating phone with a single SIM but dual earphones. Additional features included are GPRS/MMS/WAP. The Karbonn K650 comes along with a professional music phone with 3.5 mm ear jack and support dual earphones. Moreover, other features included are music player (Yamaha chipset), 2 MP camera, Bluetooth, FM radio and motion sensor.

The Karbonn K650 weighs just 99 grams with a dimension of just 112x49.5x14.5mm. The 1000 mAh battery is capable of providing a standby time of 600 hours and a talk time of 4 hour. The QCIF TFT screen with 65k colours provides a screen size of 2.2 inches and a screen resolution of 176 x 220 inches. You can also use the 2 MP camera to take brilliant pictures in a variety of situations. The phone has a vibrator mode and has a blue back light to the keypad.

The Karbonn K650 works on GSM 900, 1800 radio bands and GPRS also. It supports a wide range of memory features like internal phonebook, SMS, MMS, redial list, embedded memory of 60 MB and expandable memory of up to 8 GB. The main features included are WAP browser, wallpaper download, ringtone download, handsfree mode, vibrate mode, SMS, MMS, EMS, STK, Screen Saver, wallpaper, power on/of animation, graphic icons, caller ID, MP3 ringtone, embedded games, video capture, video player MP3, WWW, email, FM radio, earphone connector, and FM/voice recorder.

The Karbonn K650 has various personal management features like CLID with photo, call conference, caller group, closed user group, power saver, anti theft features, on touch FM keys, one touch music player, one touch camera, predictive text, calculator, alarm clock, stop watch, world times, speed dialling, to do list, ring tone composer, voice recorder, unit converter, and health management, which makes personal as well as business life easier to manage.

The Karbonn K650 can support a variety of multimedia formats. For images, it supports JPG, BMP, and GIF, while for audio, it supports MP3, MIDI, AMR, AAC, and WAV. For video formats, it supports 3GP and MP4. The Karbonn K650 also supports Bluetooth, PC Sync, USB, and also has a built in data/fax modem.