Samsung B313E feature phone-Blue

This model SM-B310E, in a blue variant. It is a basic 2G feature phone designed with an emphasis on music playback features. 

Design and Display

The phone features a lightweight yet robust plastic body, measuring 112.7 x 46.4 x 13.1 mm and weighing approximately 75 grams. It is equipped with a 2-inch (5.08 cm) TFT QQVGA display with a resolution of 128 x 160 pixels. The design is a classic bar form factor with a traditional alphanumeric keypad. 

Performance and Storage

It runs on a proprietary basic phone operating system and is powered by a 208 MHz single-core processor. While internal memory is very limited (around 16MB RAM and 0MB storage), the phone supports expandable memory up to 16GB via a dedicated microSD card slot, allowing users to store up to 3,000 songs. 

Multimedia and Connectivity

The "Music 2" name highlights its audio capabilities:

• Music Player: It includes an advanced MP3 player supporting various audio formats.
• Dedicated Button: A prominent music play/pause button is located on the front of the keypad for easy control.
• FM Radio: It features a stereo FM radio with RDS and recording functionality.
• Audio Jack: A standard 3.5 mm audio jack is present, along with a powerful loudspeaker.
• Connectivity: It offers dual Mini-SIM support, microUSB 2.0 for file transfer, and Bluetooth on some variants (though some sources indicate no Bluetooth).
• Camera: The SM-B310E model in the image does not have a camera. A different model, the SM-B313E (Metro 313), typically includes a 0.3MP VGA rear camera. 

Battery and Other Features

It is powered by a removable 800 mAh Li-Ion battery, which provides a talk time of up to 11 hours. Other useful features include a built-in torch light, organizer tools (calculator, calendar, alarm, stopwatch), and support for SMS messaging.