1. Rhagymadrodd
This manual provides comprehensive instructions for the Bytech BT Stereo Earbuds, model BYAUBE121AC. These earbuds are designed for wireless audio enjoyment, offering a portable and convenient listening experience. Please read this manual thoroughly before using the product to ensure proper operation and maintenance.

Image: A set of Bytech BT Stereo Earbuds, showcasing four different color variations (grey, blue, red, and white). Each pair features an in-ear design with an over-ear hook for secure fit and an inline control module on the cable.
2. Nodweddion Cynnyrch
- Cysylltedd Di-wifr: Utilizes Bluetooth technology for seamless audio streaming.
- Dyluniad Symudol: Lightweight and convenient for on-the-go use.
- In-Ear Form Factor: Designed to fit comfortably within the ear.
- Canslo Sŵn Gweithredol: Helps reduce ambient noise for a clearer listening experience.
- Ffitiad Diogel: Features an ear hook design for stability during activity.
3. Cynnwys Pecyn
Gwiriwch y pecyn am yr eitemau canlynol:
- Bytech BT Stereo Earbuds (1 pair)
- Cebl gwefru (1)
- Llawlyfr Defnyddiwr (y ddogfen hon)
4. Gosod a Pharu
4.1. Codi Tâl y Earbuds
- Connect the provided charging cable to the charging port on the earbuds' inline control module.
- Cysylltwch ben arall y cebl gwefru â ffynhonnell pŵer USB (e.e., porthladd USB cyfrifiadur, addasydd wal USB).
- The indicator light will typically show red during charging and turn off or blue when fully charged.
- Caniatewch tua 1-2 awr ar gyfer gwefr lawn.
4.2. Pweru Ymlaen / I ffwrdd
- Pŵer Ymlaen: Press and hold the Multi-function Button (usually the center button on the inline control) for approximately 3-5 seconds until you hear a power-on prompt or see a blue indicator light flash.
- Pwer i ffwrdd: Press and hold the Multi-function Button for approximately 3-5 seconds until you hear a power-off prompt or see a red indicator light flash and then turn off.
4.3. Pâr Bluetooth
- Ensure the earbuds are fully charged and powered off.
- Press and hold the Multi-function Button for about 5-7 seconds until the indicator light flashes red and blue alternately. This indicates pairing mode.
- Ar eich dyfais (ffôn clyfar, tabled, cyfrifiadur), galluogwch Bluetooth.
- Chwiliwch am available Bluetooth devices. You should see "BYTECH BT STEREO EARBUDS" or a similar name in the list.
- Select the earbuds from the list to connect. Once connected, the indicator light will typically flash blue slowly, and you may hear a "connected" prompt.
- Os gofynnir am gyfrinair, nodwch "0000" (pedwar sero).
5. Cyfarwyddiadau Gweithredu
5.1. Chwarae Cerdd
- Chwarae/Seibiant: Pwyswch y Botwm Aml-swyddogaeth yn fyr.
- Cyfrol i Fyny: Pwyswch y botwm "+" yn fyr.
- Cyfrol i Lawr: Pwyswch y botwm "-" yn fyr.
- Trac Nesaf: Pwyswch y botwm "+" yn hir.
- Trac Blaenorol: Pwyswch y botwm "-" yn hir.
5.2. Rheoli Galwadau
- Ateb Galwad: Short press the Multi-function Button when a call comes in.
- Galwad Diwedd: Short press the Multi-function Button during a call.
- Gwrthod Galwad: Long press the Multi-function Button when a call comes in.
- Ail-redeg Rhif Diwethaf: Double-press the Multi-function Button.
5.3. Canslo Sŵn Gweithredol (ANC)
The earbuds feature Active Noise Cancellation. Refer to the specific button on your inline control for ANC activation. Typically, there is a dedicated switch or a long press on a specific button to toggle ANC on or off.
6. Cynnal a Chadw a Gofal
- Glanhau: Defnyddiwch frethyn meddal, sych i lanhau'r clustffonau. Peidiwch â defnyddio cemegau llym na deunyddiau sgraffiniol.
- Storio: Store the earbuds in a cool, dry place when not in use. Avoid extreme temperatures.
- Gofal Batri: Er mwyn ymestyn oes y batri, osgoi rhyddhau'r clustffonau'n llwyr yn aml. Gwefrwch nhw'n rheolaidd, hyd yn oed os na chânt eu defnyddio am gyfnodau hir.
- Gwrthiant Dŵr: Nid yw'r clustffonau hyn wedi'u nodi fel rhai sy'n dal dŵr. Osgowch ddod i gysylltiad â dŵr neu leithder gormodol.
7. Datrys Problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Earbuds won't power on. | Batri isel. | Charge the earbuds fully. |
| Methu paru â dyfais. | Earbuds not in pairing mode; Bluetooth off on device; too far apart. | Ensure earbuds are in pairing mode (red/blue flashing); enable Bluetooth on your device; keep devices within 10 meters. |
| Dim sain ar ôl paru. | Volume too low; incorrect audio output selected on device. | Increase volume on both earbuds and device; check device's audio output settings. |
| Sound is intermittent or distorted. | Ymyrraeth; rhy bell o'r ddyfais; batri isel. | Move closer to your device; avoid strong electromagnetic interference; charge earbuds. |
8. manylebau
| Nodwedd | Manylyn |
|---|---|
| Enw Model | BYTECH BT STEREO EARBUDS |
| Rhif Model | BYAUBE121AC |
| Brand | Bytech |
| Technoleg Cysylltedd | Di-wifr |
| Technoleg Cyfathrebu Di-wifr | Bluetooth |
| Lleoliad Clust | Mewn Clust |
| Ffactor Ffurf | Mewn Clust |
| Rheoli Sŵn | Canslo Sŵn Gweithredol |
| Lliw | BLACK (available in other colors as shown in product images) |
| Dimensiynau Cynnyrch | 1 x 1 x 1 modfedd |
| Pwysau Eitem | 1 pwys |
| Gwneuthurwr | DEEJAYLED |
| UPC | 805112045730 |
| Dyddiad Ar Gael Cyntaf | Rhagfyr 25, 2019 |
9. Gwarant a Chefnogaeth
For warranty information and customer support, please refer to the documentation included with your purchase or contact the retailer or manufacturer directly. Keep your proof of purchase for any warranty claims.
Manufacturer: DEEJAYLED
For further assistance, please visit the official Bytech websafle neu cysylltwch â'u gwasanaeth cwsmeriaid.





