GMT offer China BT headphone sourcing and inspection service, which can make sure our customers get the right products they expect at a very competitive price. Here we present the detail procedure of our inspection, which can show you our professional on BT headphone. You are welcome to inquire anything about our sourcing and inspection service for BT headphone.
BT HEADPHONE INSPECTION PROCEDURE
1. Check the appearance and surface of the BT headphones to ensure that there are no scratches or dirt. The client’s logo content, position, and color must match the provided specifications.
2. The charging of the BT headphones should be normal. When charging, the charging indicator light should be on or the red light should be on. After the BT headphones are fully charged, the green light or charging indicator should go out.
3. The BT headset is paired with the phone’s Bluetooth by connecting to the phone’s Bluetooth. Turn on the phone’s Bluetooth, find the Bluetooth name of the headset, click to select pairing, and the phone will prompt whether to pair the information. Click to pair.
4. Check if it is correct to display the battery percentage of the BT headphones on a mobile device.
5. Testing the functions of the BT headphones: such as playing music, pausing, skipping to the next track, skipping to the previous track, stopping, and adjusting the volume.
6. Test the headset’s call-answering functions: such as call alerts, answering calls, hanging up calls, rejecting calls, and voice dialing, etc.
7. Test the AUX function by connecting the audio cable from the audio device (such as a phone or computer) to the speaker and testing the music playback function.
8. Test the audio insertion of SD function, play music from the SD card.
9. If the audio device has an FM function, test the FM function.
10. Check the power switch and all function buttons of the audio system. Ensure that all functions are working properly, and that the buttons have a normal feel and normal spring.
11. Test the audio system to adjust the volume and ensure that there is no distortion or noise at the maximum volume.
12. Test the distance between the BT headphones and the phone. Normal use should be possible within 10 meters.
13. Test the low voltage alarm function of the BT headphones.
14. Test the auto-shutoff function of the BT headphones.
15. Try the BT headphones to see if they are too tight or comfortable.
16. Test the capacity of the BT headphone battery and the charging base battery to ensure they match the specified capacity.
17. Disassemble a BT headset and measure the impedance of the speaker to match the specifications in the datasheet.
18. Disassemble a BT headset and verify that the EMC certification report matches the mass-produced product.
