18
z
Use accessories authorized by manufacturers. Using
unauthorized accessories will render the warranty
null and void.
z
Keep the ambient temperature between 0
℃
and 45
℃
while the device is being charged. Keep the
ambient temperature between -20
℃
to 60
℃
for
using the device powered by battery.
Preventing Hearing Damage
Using the receiver, earbuds, headphones, speakerphone,
or earpieces at high volume can result in permanent
hearing loss. Be extremely careful when listening at high
decibel levels. Set the volume to a safe level. If you
experience strange sounds in your ears like ringing or if
you hear muffled speech, get your hearing checked. If
you continue to use high volume, your hearing will soon
get affected.
Hearing experts offer the following suggestions to
protect your hearing:
z
Reduce the time you use the receiver, earbuds,
headphones, speakerphone, or earpieces at high
volume.
z
Do not increase the volume to block noisy
surroundings.
z
Reduce the volume if you can’t hear people speaking
near you.
Safety of Children
Please comply with all precautions with regard to
children's safety. Letting the child play with your device
or its accessories, which may include parts that can be
detached from the device, may prove dangerous, as it
