4800mAh large battery, long standby time, simple operation interface, easy to use, ABS material, strong and durable, firm structure. Support Bluetooth 2.0, vibration, voice change function (male voice, female voice, child voice). With calculator, calendar, alarm, caller ID, music player, flashlight, MP4 video player, with vibration, power bank function. Powerful function, 250 phone book, 50 SMS, camera, video, external radio, black and white list, automatic recall. Retro design, the same appearance as the big cell phone, smaller in size and more powerful.