Features: 1.Classic Flip Design: Answer calls by flipping open the phone; large buttons with voice dialing feature for easy dialing; clear sound for effortless listening; simple operating system for easy use. 2.Dual High Definition Screens: 2.6 inch HD main display and 1.77inch external color screen; large font and icons for easy viewing. 3.SOS Button with GPS: SOS button with GPS positioning; 9 speed dial buttons to set quick dialing for emergency contacts; 3 dedicated shortcut buttons. 4.Powerful Speaker: Clear sound for easy listening; 4800mAh large capacity battery for long standby time. 5.Multi Function Phone: Supports flashlight, camera, quick dialing by photo, tasks, music player, BT, alarm clock, calculator, calendar, and more. 6.Network Compatibility: GSM: B3/B5/B8 (1800/850/900), CDMA: BCO (800MHz), WCDMA: B1/B5/B8 (2100/850/900), FDD: B1/B3/B5/B7/B8/B20 (2100/1800/850/2600/900/800), TDD: B38/B39/B40/B41 (2600/1900/2300/2500). specification:Item Type: 4G flip cell phone Material: Metal, ABS Weight: Approx. 220g / 7.8oz Model: YEEMI K21+ Display: 2.6 inches, 1.77 inches Memory: RAM 32MB, ROM 32MB Multimedia: MP3, MP4 USB: Micro USB Small Memory Card: Supports up to 32GB (not included) Card Slot: Dual card slot (support installation of two Nano SIM cards at the same time) Network standard: GSM: B3/B5/B8 (1800/850/900) CDMA: BCO (800MHZ) WCDMA: B1/B5/B8 (2100/850/900) FDD: B1/B3/B5/B7/B8/B20 (2100/1800/850/2600/900/800) TDD: B38/B39/B40/B41 (2600/1900/2300/2500) Battery: 4800mAh lithium ion battery (shipped with battery) Function: Voice, camera, recording, Mp3, mp4, calculator, digital book, calendar, family number, large font, flashlight, SOS, auto timing Language: Vietnamese, Thai, Spanish, Arabic, Russian, French, English, Indonesian, Portuguese PackageList:1 x Mobile Phone 1 x Battery 1 x Charging Cable 1 x Manual