Here are the key features of the TCL Onetouch 4021:
Display: 1.8-inch TFT LCD with a resolution of 128 x 160 pixels
Camera: 0.08 MP rear camera for basic photos and videos
Battery: 1030 mAh Li-Ion battery with up to 6.5 hours of talk time and up to 13.5 days of standby time
Memory: 4 MB RAM and 4 MB internal storage, expandable up to 32 GB with a microSD card
Dual SIM: Supports two SIM cards simultaneously
Connectivity: Bluetooth 2.1, FM radio, and a 3.5 mm audio jack
Other Features: Torchlight, QVGA video playback, and a compact design weighing just 76 grams