Baotaier Landline Telephone, Hands-Free Calling, Office And Home Use, Dual Interface, Battery-Free, 10 Independent One-Key Dialing, Alarm Function, K119 Black

Home and office telephone with upgraded features

Plug-and-play design, no battery installation required

Compatible with FSK/DTMF dual signaling systems

Supports connection to extension phones, POS machines, printers, fax machines via dual interface design

10 groups of one-touch speed dial keys for quick and error-free calling

Built-in calculator function for daily office use

37 groups of 8-digit incoming call records storage

16 groups of 8-digit outgoing call records storage

5-level adjustable screen font brightness to suit different lighting conditions

24 selectable ringtone styles

Caller ID display with VIP number protection (prevents deletion)

Call transfer function

Pre-dial, cancel dial, and redial/callback functions

Alarm clock function

Local code support up to 5 digits

FSK automatic time calibration