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Different kinds of bluetooth quality inspection:

Mono Headset/ Earloop
Stereo Headset/ Cloth Clip/ Music Gear
Hands-free Speaker/ Carkit

Some common factors for bluetooth quality control:

Appearance Inspection:

1.Colour
2.Dirty
3.Damaged
4.Burrs
5.Decoration piece, nameplate
6.protective film
7.ear-hook
8.Gloss
9.Discoloration, color points, concave and convex, impurities
10.Scratch
11.Painting
12.Silkprint
13.Gap
14.Metal
15.Battery charger

Function Inspection:

1.Open the earphone /Close the earphone to check whether the function is working properly
2.Headset paired
3. Answer phone/Hang up 
4. Phone Function
5. Reject a call
6. Quiet boot enabled
7. redial  function
8. voice dial
9. volume adjustment
10. call hold
11. Prompt tone
12. Button Features
13. Indicator light
14. connection stability 
15. Communication Distance
16. Bluetooth compatability check: with iphone, samsung, ipod etc
17. The quality of telephone receiver
18. The function of Battery charge
19. Battery charging/discharging time
20. Fatigue Test for all buttons or adjustable parts


bluetooth quality inspection
 

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