User's Manual

DOC NO:PD-SPEC-11-00045 页码： - 11 - 12
VER-01
Product surface acceptance criteria
Surface ‘’AA” “A” “B” “C” “D”
Actual material Bottom, upper
and lower cover
of speaker
cavity
lens Four sides of
the headphone
none none
The biggest defect
in the same color
4 level 2 level 4 level no no
The number of
defect points
3 4 6
Gap acceptance criteria
Gap position Acceptable level
Upper and lower cover junction Maxmum 0.2mm
The upper and lower cover junction
of the speaker cavity
Maxmum 0.2mm
8.Reliability Testing standards
Reliability test
Reliability Test
Product certification CE,FCC,BQB
USB cable, headphone cable
tensile test
Fix the cable, imposed 1kg pulling force, one minute later, the outer
surface of the cable has no obvious peeling or strain, and the basic
functions should be tested normal
USB cable, headphone cable
swing test
Fix the cable, imposed 100g pulling force, swing angle of + -90
degrees, 40 times per minute ( + -90 degrees for once), for 1500
times, the basic functions should be tested normal.
Vibration test
Frequency:10HZ∽55HZ（Frequency change is 1Hz/min）
Vibration amplitude:0.8mm
Vibration direction and time: Along the X/Y/Z directions, each for
90~100min.
Drop test Drop from the height of 100cm onto the cement floor, free drop one
time respectively from each side(six surfaces),no damage to the
apperance after the test,allow the upper and lower cover junction but
do not separate, can exert pressure to fasten from up and down,and
the basic functions should be tested normal.
Low height drop test Drop height: 4cm, onto 20mm wood surface, In standby mode, do
100 times drop test for each side(600 times total),and the basic
functions should be tested normal after drop test.
Earhook plug intensity test
Intensity of insert and pull:Maxmum 2kg, Minmum 0.5kg，300
times life to meet the intensity reuqirements
Ear hook bend test
Ear hook bend range: 20cm，20 times per minute, and stop for 3
minutes every 100 times, no breaking after 300 times, position
recovery＋－2mm。
Canton drop test Drop from height of 75cm, onto concrete surface, free drop one time
respectively from 6 plane and 4 corner, functionality must comply