(as of Feb 06,2021 22:04:22 UTC – Details)
Crystal button not easy to fade, sensitive reaction.
Clearly shows caller ID that office and home use is more convenient. 30 group call number storage inquiry, you can long press the “call in” button to quickly check the information.
Two optional level volume button to control on the side, more intimate.
Lightning/anti-jamming function, more efficient and safer.
FSK/DTMF standard caller ID, never miss important information. Built-in 5 group call number and call time query, support callback function and one-key replay function.