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Headphones *1 pair,
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Charging case *1 piece,
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Replaceable earcaps * 3 pairs,
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Charging cable *1
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User manual *1.
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instructions
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1, we provide L\/M\/S three types of ear cap, please try to choose the most suitable one, M type ear cap is suitable for 75% of people.
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2. The charging case and headphones are printed with \"L\" and \"R\" respectively. Please wear the ear plug located in \"L\" in the left ear and the ear plug located in \"R\" in the right ear.
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Note: Your left and right ears may fit different sizes of ear pads, please select the most suitable one and turn the earplugs to the MIC hole facing down.
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Smart wireless headset connection Procedure
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boot
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1. After removing the earphones from the case, the two earphones will open automatically.
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2. If there is no charging box or no power supply in the charging box, press MFB for 3 seconds to turn on the device.
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shutdown
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1. The two earphones will turn off automatically after being placed in the charging case.
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2. After disconnecting the Bluetooth connection for 3 minutes, the two headsets will automatically shut down.
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3. Press the multifunction long button on each headset for 7 seconds.
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Mono mode
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1. Use right earphone only (recommended)
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Remove the headset marked with the R side from the charging case and tap the model name in the Bluetooth list.
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2. Use only your left earpiece
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1) Press and hold the multifunction key of the headset marked with L edge for 7 seconds to turn off the headset.
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2) Press the multi-function key marked L on the headset and hold it for 3 seconds. Do not release the key until the red and blue lights alternately flash. Click the model name with \"-L\" on the Bluetooth list.
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stereo mode
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Remove the left and right headphones from the charging case at the same time, the left and right ears will automatically pair, and connect them to your device, you can enjoy the music world in stereo mode.
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attention
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For a better music experience, it is recommended to use IOS 8.0 and ANDROID 4.3 or above operating systems.
The main material list of TWS headphones includes: plastic housing, battery, speaker unit, circuit board, Bluetooth chip, microphone, button, charging interface, touch control panel, LED indicator light, cable, glue, plastic bracket, capacitor, resistor, inductor, etc. These materials make up the various parts of the TWS headset, ensuring its normal function and performance.
The BOM of a tws headset is as follows: 1. Main control chip: Controls the functions and connection performance of the headset.
2. Audio chip: responsible for audio processing and amplification of headphones.
3. Battery: Provides the power supply for the headset.
4. Microphone: Used to receive sound signals and make calls or record calls.
5. Loudspeaker: Used to play audio.
6. Cover and buttons: The outer cover and buttons of the headset. 7. Wireless receiver: Used for wireless connection with audio source devices.
8. Charging circuit and interface: used for the charging function of the headset and connecting the power adapter. Summary: Since the tws headset has wireless connection, audio processing, charging and other functions, the main bill of materials includes the main control chip, audio chip, battery, microphone, speaker, housing and buttons, wireless receiver and charging circuit and interface.