YUNGU Telephone Corded Phone Desk Landline Phone DTMF/FSK Dual System Support Hands-Free/Redial/Flash/Speed Dial/Ring Volume Control Built-in IC Chip Phone for Home Office Business Hotel, Black

📠 Able to automatically identify caller ID in DTMF/FSK dual system. And You can check up to 50 groups incoming call number and 14 groups outgoing call number.
📠 Comes with 6 speed dial buttons, super convenient for elder people and businessman, easy and fast to dial. Real-time date and week display, LCD brightness adjustable in 5 levels.
📠 High quality voice IC chip, provide clear voice sound in hand free function. When you forget to take up the line or hang up badly, automatically take up the line. (with no clutter interference on the line)
📠 Provide 16 kinds of ringtones to selects and built-in music HOLD function, and the machine will be automatically released when the machine is lifted.
📠 Free to set 3 alarms in the telephone, and support DO NOT DISTURB function for 1-99hours. FLASH time 90/95/100/120/180/300/600/1000ms software optional.