1. Rhagymadrodd
Thank you for choosing JOYWISE U8C Bluetooth Wireless Headphones. This manual provides essential information for the proper setup, operation, and maintenance of your headphones. Please read it thoroughly before use to ensure optimal performance and longevity of your device.

Image 1.1: JOYWISE U8C Bluetooth Wireless Headphones, including the headphones, a compact charging case, and various sizes of ear tips.
2. Gwybodaeth Diogelwch
- Peidiwch ag amlygu'r clustffonau i dymheredd neu leithder eithafol.
- Osgowch ollwng y clustffonau neu eu rhoi dan effeithiau cryf.
- Peidiwch â dadosod na cheisio atgyweirio'r clustffonau eich hun. Gall hyn ddirymu'r warant ac achosi difrod.
- Cadwch y clustffonau i ffwrdd o blant ac anifeiliaid anwes.
- Glanhewch y clustffonau gyda lliain meddal, sych. Peidiwch â defnyddio cemegau llym na deunyddiau sgraffiniol.
- Gall gwrando ar lefelau uchel am gyfnod hir achosi niwed i'r clyw. Addaswch y gyfrol i lefel ddiogel.
3. Cynnwys Pecyn
Gwiriwch y pecyn am yr eitemau canlynol:
- JOYWISE U8C Bluetooth Wireless Headphones
- Cebl Codi Tâl USB
- Multiple sizes of Ear Tips
- Llawlyfr Defnyddiwr
- Achos Cario
- Cable Clothing Clip

Image 3.1: An illustration showing all items included in the JOYWISE U8C headphone package, along with a guide on how to achieve a stable and secure fit.
4. Cynnyrch Drosview
The JOYWISE U8C headphones feature an ergonomic design with ear hooks for a secure fit, ideal for sports and active use. Each earbud includes control buttons and an LED indicator.

Image 4.1: Detailed diagram highlighting the ear hook, Volume+/Next Track button, Volume-/Previous Track button, Power On/Off/Pause/Play Music button, and LED Indicator on the headphones.
4.1 Nodweddion Allweddol
- Sound Isolation Technology: Reduces ambient noise for an immersive audio experience.
- Amser Chwarae Estynedig: Hyd at 16 awr o chwarae sain ar un gwefr.
- Stereo Surrounding Sound: 11mm dynamic drivers deliver rich audio.
- Dal dŵr IPX7: Resistant to sweat and splashes, suitable for workouts.
- Easy Control & Dual Connection: Physical buttons for control and simultaneous connection to two Bluetooth devices.
5. Gosod
5.1 Gwefru'r Clustffonau
- Connect the provided USB charging cable to the charging port on the headphones.
- Cysylltwch ben arall y cebl USB ag addasydd pŵer USB safonol (heb ei gynnwys) neu borthladd USB cyfrifiadur.
- The LED indicator will show the charging status. A full charge typically takes approximately 1.5 hours.
- When fully charged, the headphones provide up to 16 hours of playtime and 250 hours of standby time.
5.2 Pâr Bluetooth
- Sicrhewch fod y clustffonau wedi'u pweru i ffwrdd.
- Pwyswch a daliwch y botwm pŵer am tua 3 eiliad nes bod y dangosydd LED yn fflachio'n las a choch, gan nodi modd paru.
- Ar eich dyfais (ffôn clyfar, tabled, cyfrifiadur), galluogwch Bluetooth a chwiliwch am ddyfeisiau sydd ar gael.
- Select "U8C" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly or turn off, depending on the model. A voice prompt will confirm the connection.
- For dual connection, after pairing with the first device, disable Bluetooth on the first device. Pair with the second device. Then re-enable Bluetooth on the first device; the headphones should connect to both.

Image 5.1: The JOYWISE U8C headphones connected to a smartphone, illustrating the stable Bluetooth connection process.
6. Cyfarwyddiadau Gweithredu
The headphones feature intuitive physical buttons for control. Refer to Image 4.1 for button locations.

Image 6.1: A visual guide to the operating instructions for the JOYWISE U8C headphones, showing actions for power, track control, call management, and Siri activation.
6.1 Pŵer Ymlaen/Diffodd
- Pŵer Ymlaen: Daliwch y botwm pŵer am 3 eiliad.
- Pwer i ffwrdd: Daliwch y botwm pŵer am 3 eiliad.
6.2 Rheoli Cerddoriaeth
- Chwarae/Seibiant: Single tap the power button.
- Cân Nesaf: Hold the '+' button for 2 seconds.
- Cân flaenorol: Hold the '-' button for 2 seconds.
6.3 Rheoli Galwadau
- Ateb Galwad: Single tap the power button.
- Gwrthod Galwad: Daliwch y botwm pŵer am 1 eiliad.
6.4 Cynorthwyydd Llais (Siri/Cynorthwyydd Google)
- Ysgogi: Double tap the power button.
7. cynnal
7.1 Glanhau
- Sychwch y clustffonau gyda lliain meddal, sych, heb lint.
- Tynnwch flaenau’r clustiau a’u glanhau gyda sebon ysgafn a dŵr os oes angen, gan sicrhau eu bod yn hollol sych cyn eu hailgysylltu.
- Peidiwch â defnyddio glanhawyr sgraffiniol, alcohol na thoddyddion cemegol.
7.2 Storio
- Store the headphones in the provided carrying case when not in use to protect them from dust and damage.
- Avoid storing in direct sunlight or in areas with high humidity.
7.3 Gwrthiant Dŵr (IPX7)
The JOYWISE U8C headphones are IPX7 waterproof, meaning they can withstand immersion in water up to 1 meter for 30 minutes. They are resistant to sweat and rain, making them suitable for sports. However, they are not designed for swimming or prolonged submersion. Ensure the charging port cover is securely closed before exposure to water.

Image 7.1: The JOYWISE U8C headphones shown with water droplets, emphasizing their IPX7 sweatproof rating, suitable for use in various weather conditions.
8. Datrys Problemau
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw clustffonau'n troi ymlaen | Batri isel | Gwefrwch y clustffonau'n llawn. |
| Methu paru â dyfais | Headphones not in pairing mode / Bluetooth off on device / Device too far | Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move device closer to headphones (within 10 meters). |
| Dim sain na chyfaint isel | Volume too low / Headphones not connected / Incorrect audio output selected | Cynyddwch y gyfaint ar y ddau glustffon a'r ddyfais gysylltiedig. Ail-bariwch y clustffonau. Gwiriwch osodiadau allbwn sain ar eich dyfais. |
| Cysylltiad ysbeidiol | Ymyrraeth / Dyfais yn rhy bell / Batri isel | Symudwch i ffwrdd o ffynonellau ymyrraeth (rwytyddion Wi-Fi, dyfeisiau Bluetooth eraill). Symudwch y ddyfais yn agosach. Gwefrwch glustffonau. |
9. manylebau
| Nodwedd | Manyleb |
|---|---|
| Enw Model | U8C |
| Technoleg Cysylltedd | Diwifr (Bluetooth) |
| Fersiwn Bluetooth | 5.3 |
| Amrediad Bluetooth | Up to 30 feet (10 meters) in open space |
| Bywyd Batri | Hyd at 16 awr o amser chwarae |
| Amser Codi Tâl | Tua 1.5 Awr |
| Lefel Gwrthsefyll Dŵr | IPX7 (gwrth-ddŵr) |
| Math Gyrrwr Sain | Gyrrwr Dynamig |
| Maint Gyrrwr Sain | 11 Milimetrau |
| Amrediad Amrediad | 20 Hz - 20,000 Hz |
| Rheoli Sŵn | Unigedd Sain |
| Dull Rheoli | Physical Buttons (Touch, Voice) |
| Pwysau Eitem | 3.52 owns (0.1 cilogram) |
10. Gwarant a Chefnogaeth
JOYWISE products are designed and manufactured to the highest quality standards. For warranty information and customer support, please refer to the warranty card included in your package or contact JOYWISE customer service through the retailer where the product was purchased.
For further assistance, please visit the official JOYWISE store or contact their support channels.