Uvital Big Button Phone for Seniors, Landline Phone for Elderly with Black Big Buttons and SOS Emergency Button, Telephone with Hands-Free, Adjustable Volum, Easy to Use

["[SOS Emergency Button] Simply pick up the handset and press the pre-programmed SOS button to instantly dial for help in an emergency. Additionally, the phone includes 10 groups of two-button memory, making it simple for seniors or those with memory loss to access important contacts with ease","[Extra-Large Buttons for Seniors] Designed for aging eyes and limited dexterity, the extra-large buttons make this big button phone for elderly simple and stress-free to use. Please note: This telephone does not feature a display screen, so it does not support call ID functionality","[Adjustable Volume & LED Indicator] The ringer has 3 adjustable levels: OFF-LOW-HIGH, with a maximum volume of 107dB for easier call detection. Additionally, it features a bright LED call indicator, ensuring you never miss important calls even in noisy environments","[106dB Hands-Free Volume] The telephone's hands-free speaker volume can reach up to 106dB, allowing hands-free calls with ease. It also offers 2 levels of adjustable speaker volume for greater convenience","[No Battery Required] Simply plug in the RJ11 phone line to start using it—no batteries or external power source required. Please note that this telephone cannot be directly connected to the internet for use, and do not have an answering machine function and do not support voicemail or message recording"]