Entwodiksyon
Thank you for choosing the JUNJIEUNVO BT1638 Over-Ear Wireless Headphones. This manual provides detailed instructions for the proper use, setup, and maintenance of your headphones. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Image: The JUNJIEUNVO BT1638 Over-Ear Wireless Headphones in blue, showcasing their design and padded headband.
Kontni pake
Tanpri tcheke pake a pou atik sa yo:
- JUNJIEUNVO BT1638 Over-Ear Wireless Headphones
- USB-C Chaje Kab
- 3.5mm AUX Audio Kab
- Manyèl Itilizatè (dokiman sa a)
Enstalasyon
1. Chaje kas ekoutè yo
Anvan premye itilizasyon an, chaje kas ekoutè ou yo nèt. Yon chaj konplè pran apeprè 2 èdtan.
- Konekte kab chaje USB-C a nan pò chaje ki sou kas ekoutè a.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., computer USB port, wall adapter).
- The indicator light will show charging status (e.g., red for charging, blue/off for fully charged). Refer to the LED indicator section for details.
2. Powering On / Off
- Pouvwa sou: Peze epi kenbe bouton Power la pou apeprè 3 segonn jiskaske limyè endikatè a flache.
- Pouvwa Off: Peze epi kenbe bouton Power la pou apeprè 3 segonn jiskaske limyè endikatè a etenn.
3. Pè Bluetooth
The headphones use Bluetooth 5.0 for wireless connectivity, offering a range of up to 33 feet (10 meters).
- Asire w ke kas ekoutè yo etenn.
- Peze epi kenbe bouton Pouvwa a pandan apeprè 5-7 segonn jiskaske limyè endikatè a flache wouj ak ble altènativman, sa ki endike mòd koneksyon.
- Sou aparèy ou an (telefòn entelijan, tablèt, òdinatè pòtab), aktive Bluetooth epi chèche aparèy ki disponib yo.
- Select "BT1638" or "JUNJIEUNVO BT1638" from the list of found devices.
- Yon fwa konekte, limyè endikatè a ap tipikman flache ble dousman oswa rete ble fiks.
- Si yo mande w yon modpas, antre "0000".

Image: The BT1638 headphones shown with a variety of compatible devices including laptops, smartphones, and tablets, illustrating broad connectivity.
Enstriksyon Operasyon
1. Kontwòl debaz yo
The headphones feature button and touch controls for various functions.
- Bouton pouvwa: Limen/etenn, antre nan mòd koneksyon.
- Volim Up / Next Track: Peze yon ti kras pou ogmante volim, peze lontan pou pwochen mizik la.
- Volim Dawonn / Previous Track: Peze yon ti kras pou bese volim nan, peze lontan pou ale nan mizik anvan an.
- Multi-function Button (MFB) / Touch Control:
- Jwe/Poz: Single laprès.
- Reponn/Fen Apèl: Single press during an incoming call.
- Rejte apèl: Peze epi kenbe pandan 2 segonn pandan yon apèl k ap antre.
- Aktive Asistan Vwa: Doub presyon.
2. Odyo lèktur
Enjoy high-fidelity (HIFI) sound quality and immersive surround sound with your BT1638 headphones.

Image: The BT1638 headphones, emphasizing their HIFI sound quality and extended battery life of up to 40 hours.

Image: The BT1638 headphones displaying Hi-Res Wireless Audio and LDAC compatibility, indicating advanced audio capabilities.
3. Anilasyon bri pasif
The over-ear design and cushioned ear cups provide passive noise cancellation, reducing ambient sounds for a more focused listening experience.

Image: A visual representation comparing sound waveforms before and after noise reduction, demonstrating the effectiveness of the headphones' passive noise cancellation.
4. Koneksyon filaire (AUX)
For situations where Bluetooth is not available or preferred, you can connect the headphones using an AUX cable.
- Plug one end of the 3.5mm AUX cable into the headphone's AUX port.
- Plug the other end into your audio source's 3.5mm audio jack.
- Kas ekoutè yo ap chanje otomatikman nan mòd filaire.
5. Konfò ak anfòm
The BT1638 headphones feature an adjustable headband and rotatable earcups for a comfortable and secure fit.

Imaj: Gwo plan view illustrating the adjustable telescopic headband and earcups that can rotate 90 degrees, allowing for a customized and comfortable fit.

Image: The soft earmuffs of the BT1638 headphones, designed for comfortable and smooth listening experiences.
Antretyen
Bon swen ap pwolonje lavi ak pèfòmans kas ekoutè ou yo.
- Netwayaj: Use a soft, dry, lint-free cloth to clean the surfaces of the headphones. Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Kousen zòrèy: The memory foam and fabric ear cushions can be gently wiped with a slightly damp cloth if necessary, then allowed to air dry completely.
- Depo: Lè w pa ap itilize kas ekoutè yo, sere yo nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Evite imidite: Kas ekoutè sa yo pa reziste dlo. Evite ekspoze yo a dlo, lapli, oswa imidite twòp.
- Manyen ak Swen: Evite lage kas ekoutè yo oubyen sibi gwo enpak.
Depanaj
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Kas ekoutè yo pa limen. | Batri ki ba. | Charge the headphones for at least 30 minutes. |
| Pa ka konekte ak aparèy la. | Kas ekoutè a pa nan mòd koneksyon; Bluetooth etenn sou aparèy la; aparèy la twò lwen. | Ensure headphones are in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move device closer to headphones (within 33 feet). |
| Pa gen son oswa volim nan ba. | Volim twò ba; sous odyo ki pa kòrèk; kas ekoutè pa konekte. | Increase volume on both headphones and connected device. Ensure headphones are properly paired or AUX cable is fully inserted. |
| Koneksyon tanzantan. | Entèferans; aparèy twò lwen; batri fèb. | Move closer to the connected device. Avoid strong electromagnetic interference. Ensure headphones are sufficiently charged. |
Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Non modèl | SY-BT1638 |
| Koneksyon Teknoloji | Bluetooth, AUX |
| Teknoloji kominikasyon san fil | Bluetooth, San fil |
| Bluetooth vèsyon | 5.0 |
| Gamme Bluetooth | 33 pye (10 mèt) |
| Kalite chofè odyo | Chofè dinamik |
| Gwosè Chofè Audio | 40 Milimèt |
| Repons Frekans | 20 Hz (limit enferyè) |
| Sansiblite | 102 dB |
| Enpedans | 32 Ohm |
| Kontwòl bri | Anilasyon bri pasif |
| Kalite kontwòl | San fil |
| Metòd kontwòl | Manyen, Bouton |
| Tan pou chaje | 2 èdtan |
| Lavi batri | Jiska 40 èdtan (lèktur) |
| Materyèl | Fabric, Memory Foam, Metal |
| Pwa atik | 12 ons (apeprè 340g) |
| Nivo rezistans dlo | Pa reziste dlo |
| Aparèy konpatib | Laptops, Smartphones, Tablets |
Enfòmasyon sou Garanti
Specific warranty details for the JUNJIEUNVO BT1638 headphones are typically provided with your purchase documentation or on the manufacturer's official websit la. Tanpri konsève prèv acha ou a pou nenpòt reklamasyon garanti.
Generally, products are covered against defects in materials and workmanship for a specified period from the date of purchase. This warranty usually does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Sipò pou Kliyan
If you encounter any issues or have questions not covered in this manual, please contact JUNJIEUNVO customer support. You can typically find contact information on the product packaging, the official JUNJIEUNVO websit entènèt la, oubyen atravè revandè ou a.
When contacting support, please have your product model (SY-BT1638) and proof of purchase readily available.