Techmade Freetime Plus User Manual page 31

open the product will void the warranty and
may constitute a safety hazard.
Safety related
Frequency band: 2402-2480 MHz
Max Freq.: 6dB (4mW)
RF output: 0 dBm
Handle the device gently. Protect the device
from bumps and falls.
Environmental (temperature, humidity)
Working temperatures:
-20°C~40°C/4°F~104°F
Cleanliness level
Disconnect the product from the main
power supply before cleaning. Use a soft,
dry cloth. Do not use alcohol or other
cleaning solutions. Do not wash the product
with running water.