4G Unlocked Senior Mobile Phone without Contract, Dual SIM Flip Phone for the Elderly with 2.8+1.77 Big Dual Screen, SOS Elderly Alarm Call Button and Charging Dock! (Black) Speed Dial Buttons (Keys 2-9 of Pay as You Go Phones) -- After setting the number, press the corresponding number, and then press the dial key to dial the number directly. SOS Button of Mobile Phone for Elderly -- Just press it in 3 seconds, can directly call the emergency contact you set. Torch of Big Button Mobile Phone for Elderly -- The flashlight button on the right, it can bring you a ray of light, and you can see better in the dark. Key Functions of Basic Mobile Phone -- Call and receive a call, send MMS / SMS; Alarm clock; Bluetooth; FM radio; Video audio player; Calendar; Calculator, etc.