Samsung SM-B310, 2.0inch, 800mAh, Dual Sim

The Samsung SM-B310, also known as the Guru Music 2, is a classic feature phone built for users who value simplicity, durability, and long battery life. With a 2.0-inch TFT display (128 × 160 resolution), it offers clear visibility for calls, texts, and menu navigation. The physical keypad ensures tactile feedback and ease of use, especially for seniors or those preferring button-based input.

This model supports Dual SIM (DUOS) functionality, allowing users to manage two networks simultaneously — perfect for separating work and personal lines or maximizing coverage in rural areas. The 800mAh removable battery delivers extended standby and talk time, often lasting several days on a single charge.

Entertainment features include a built-in FM radio, MP3/WAV playback, and polyphonic ringtones, making it a great companion for music lovers. It also supports microSD cards up to 16GB, giving users room to store songs and contacts. The phone includes a 3.5mm headphone jack, USB 2.0 port, and basic organizer tools like notepad, calendar, and alarm.

Weighing just 75g, the SM-B310 is lightweight, pocket-friendly, and built with a durable plastic casing. It’s a dependable choice for users seeking a backup phone, a senior-friendly device, or a minimalist mobile experience.