The Acer beTouch E400 is a mobile phone that was first released in 2010. It features a Qualcomm MSM7227 Snapdragon S1 processor with a clock speed of 600 MHz and is equipped with 256MB of RAM and 512MB of internal storage. The phone runs on the Android 2.1 (Eclair) operating system.

The beTouch E400 boasts a 3.2-inch display with a resolution of 320 x 480 pixels, providing a clear and vibrant viewing experience. It also comes with a 3.15-megapixel rear camera, allowing users to capture memorable moments with decent image quality.

In terms of connectivity, the phone supports GSM and HSPA networks, providing fast internet speeds of up to 3.6/0.384 Mbps. It also has Wi-Fi 802.11 b/g capability, enabling users to connect to wireless networks for browsing the web or accessing online services.

The beTouch E400 is powered by a removable Li-Po 1090 mAh battery, which offers a talk time of up to 5 hours. This ensures that users can stay connected throughout the day without worrying about running out of battery.

The phone is available in three color options: Soft-touch Black, Ceramic White, and Pearl Red. Additionally, it comes with three exchangeable battery covers, allowing users to customize the appearance of their device.

Overall, the Acer beTouch E400 is a reliable and affordable mobile phone that offers essential features for everyday use. Its compact size, decent camera, and reliable performance make it a suitable choice for those looking for a budget-friendly smartphone.