2G MOBILE PHONE: Big speaker and voice, no longer worry about missing important calls. Excellent audio and video playback multimedia capabilities. This phone is also great as a backup unlocked phone for the elderly and young. SUPPORTED FUNCTIONS: Support MP4, MP3 playback function, support video playback, support recorder, FM radio, Bluetooth, camera, electronic book, recorder, video recording, support browser and other social software, etc. Supports 3 card 3 standby, supports the simultaneous use of 3 SIM cards and a memory card with a maximum capacity of 16GB (not included). 2.2 INCH HD SCREEN: W23 phone has a 2.2 inch high definition screen. Keys and numbers are clear, dialing is easy. The large keys are not easy to press wrongly, the large keyboard design, comfortable pressing, no longer worry about pressing the wrong ones. LOUD SOUND: Stereo speakers are loud, with higher volume, and the sound quality is three dimensional and clear, don't miss every call and hear every greeting clearly. 3.5mm headphone jack, more convenient. LONG STANDBY TIME: The mobile phone is equipped with a 2500mAh large capacity rechargeable battery with low power consumption and a power saving mode, which allows long standby time and avoids frequent charging.