Some questions about TCL cordless phones
There is no problem in the effective range4, only ten meters distance, certainly no problem. Ten years ago, my family was able to use it 50 meters away.
A selection of lithium lithium battery. Lithium unsafe too few cases, both charge and discharge protection, no unauthorized modification is no problem. The three section series power supply need NiMH, and soon influence the using time of depreciation. Even if a month without lithium consumption has little change, high energy density, but the cordless phone is not much seems to use lithium battery
Almost no effect, I have been using the headset, but also did not find the screen wrong
