Acer neoTouch P400

The Acer neoTouch P400 is a mobile phone that was released in February 2010. It runs on the Microsoft Windows Mobile 6.5.3 Professional operating system and is powered by a 600 MHz ARM 11 processor with a Qualcomm MSM7227 Snapdragon S1 chipset and Adreno 200 GPU. The phone has 256 MB of RAM and 512 MB of internal storage, which can be expanded further with a microSD card.

The device features a 3.2-inch TFT touchscreen display with a resolution of 320 x 480 pixels. It has a resistive touchscreen and a screen-to-body ratio of 44.7%, providing a decent viewing experience. The pixel density is 180 PPI and the display supports 256K colors.

In terms of connectivity, the Acer neoTouch P400 supports 2G GSM and HSPA networks, Wi-Fi 802.11 b/g, Bluetooth 2.1, A2DP, GPS with A-GPS, and USB 2.0. It also has a 3.15 MP main camera with autofocus, video recording capabilities, stereo FM radio, and a 3.5 mm audio jack.

The phone is compact and lightweight, measuring 115 x 59.3 x 12 mm and weighing 125 g. It is available in black and is powered by a removable 1090 mAh Li-Po battery, providing up to 400 hours of standby time and up to 5 hours of talk time.

Overall, the Acer neoTouch P400 offers decent performance and features for its time. However, some drawbacks include the limited internal storage, outdated operating system, and average camera quality. Additionally, the resistive touchscreen may not be as responsive as newer capacitive displays.