
8
9
•
Keep the battery away from excessive heat and direct s unlight.Do not place it on or in
heating
devices, such as microwave ovens, stoves, or radiators. Batteries may explode if
overheated.
•
Do not attempt tomodify or remanufacturethe battery, insert foreign objects into it, or
immerseorexposeittowaterorotherliquids.Doingsomayleadtofire, explosion,orother
hazards.
•
If the batteryleaks,ensureth attheelectrolyte doesnotmakedirect contact withyour
skinsor eyes.If theelectrolyteto uches yourskinsorsplashesintoyoureyes,
immediatelyflushwith
clean water andconsult adoctor.
•
Incaseof batterydeformation,colorchange,oroverheatingwhilechargingorstoring,
immediately stop using the device and remove the battery. Continued use may lead to
battery
leakage, fire, or explosion.
•
Donot put batteries in fireas they mayexplode.Damaged batteries mayalsoexplode.
•
Dispose of used batteries in accordance with local regulations. Improper battery use may
lead
tofire, explosion, or other hazards.
•
Donot allowchildren or pets tobiteor suckthebattery.Doingsomayresult indamage
or explosion.
•
Donot smash or pierce the battery,orexposeittohighexternalpressure.Doingsomay
lead toashort circuit or overheating.
•
Donotdropthedeviceorbattery.Ifthedeviceorbatteryisdropped, especiallyonahard
surface,itmay bedamaged.
•
Ifthedevicestandbytimeshortenssignificantly,replace thebattery.
Cleaning and maintenance
•
Keep thedeviceand acces sories dry.Do not attempt todryit withan external heat
source, suchasamicrowaveoven or hair dryer.
•
Donotexposeyour deviceoraccessoriestoextremeheatorcold.Theseenvironmentsmay
interferewith proper functionandmaylead tofireor explosion.
•
Avoidcollision,whichmayleadtodevicemalfunctions,overheating,fire,orexplosion.
•
Beforeyoucleanormaintainthedevice,stopusingit, stop allapplications,anddisconnect
allcables connectedtoit.
•
Donot use anychemical detergent,powder,orotherchemicalagents(suchasalcoholand
benzene)tocleanthe deviceoraccessories.These substancesmay causedamagetoparts
orpresen tafire hazard.Useaclean,soft,and dry cloth to clean the device and
accessories.
•
Donot place magneticstrip ecards,such as creditcards and device
cards,nearthedevicefor
extendedperiodsoftime.Otherwise the magneticstripe
cards maybedamaged.
•
Donot dismantleorremanufacturethe deviceanditsaccessories.This voidsthe warranty
andreleasesthemanufacturerfrom liabilityfordamage.Incaseof damage,contactan
authorizedservicecenter for assistanceor repair.
•
If thedevice screen is broken in a collision,immediately stop using thedevice.Donot touch or
attempttore move the brokenparts.Promptly contactanauthorized service center.
•
Environmental protection
•
The device and its accessories (if included), such as the power adapter, headset, and
battery
shouldnot bedisposed of with householdgarbage.
•
Disposal of the device and its accessories is subject to local regulations. Support
proper collection andrecycling.
Safety precautions
•
Use of wireless hands-freesystem(headdevice,headset) with alowpower Bluetooth emitter.
•
Make surethedevice has alow SAR.
•
Thisadviceappliesespeciallytochildren, adolescents andpregnantwomen.
•
Use device when thesignal qualityisgood.
•
People having active medical implants should prefer bly keep the cell devic eat least
15cm
away from theimplant.
Disposal and recycling information
This symbol onthe deviceor onits packagingindicatesthat thedevice
(includingitselectricalaccessories)shouldnotbedisposedofasnormal
householdgarbage.Donotdisposeofyourdeviceasunsortedmunicipal
waste.Thedeviceshould behanded over toan authorized collectioncenter
forrecyclingorproper disposal at theendofitslife.
Batterycaution
1.
Use only NUU-approved batteries, chargers, and cables to charge your device.
Unapproved chargers or cables can causethe battery to explode ordamagethe
device.
2.
Use only NUU-approved batteries, chargers and cables. Use unapproved batteries,
chargersandcablesmaycausesafetyissueandthe warrantywill belost.
3. Youcanrechargeyourbatterymanytimes,butallbatterieshavealimitedlifespan.Ifyou
noticeasignificant deteriorationinyourdevice’sbattery life,youwillneedtopurchase
a replacement battery for replacement. If thebattery is built-in in thedevice, do not
attempt to remove built-inbatteries and contact anauthorized NUU service center
for a replacement.
4.
Your devicemaybecomewarmafter prolongeduseor whenexposedtohigh ambient
temperatures. Ifyourdevice becomes hottothetouch,unplugtheUSBcable,disable
non-essentialfeatures, and avoidprolonged skin contact.Placeyourdevicein acool
locationand allow it tocool down toroom temperature.
5.
Chargingtimesmayvary dependingontheambient temperatureand theremaining
batterylevel.
6.
Avoidusingyourdevicewhenitischarging.Do not coveryour device orthecharger
when it ischarging.