Ọrọ Iṣaaju
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.
Package Awọn akoonu
Jọwọ ṣayẹwo package fun awọn nkan wọnyi:
- JUNJIEUNVO BT1638 Over-Ear Wireless Headphones
- USB-C Ngba agbara Cable
- 3.5mm AUX Audio Cable
- Afowoyi Olumulo (iwe-ipamọ yii)
Ṣeto
1. Ngba agbara si awọn Agbekọri
Ṣaaju lilo akọkọ, gba agbara si awọn agbekọri rẹ ni kikun. Gbigba agbara ni kikun gba to awọn wakati 2.
- So okun gbigba agbara USB-C pọ si ibudo gbigba agbara lori awọn agbekọri.
- So opin keji okun USB-C pọ mọ orisun agbara USB ti o baamu (fun apẹẹrẹ, ibudo USB kọmputa, adapter ogiri).
- 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. Agbara lori / Paa
- Agbara Tan: Press and hold the Power button for approximately 3 seconds until the indicator light flashes.
- Agbara Pa: Tẹ mọlẹ bọtini agbara fun isunmọ awọn aaya 3 titi ti ina olufihan yoo wa ni pipa.
3. Sisopọ Bluetooth
The headphones use Bluetooth 5.0 for wireless connectivity, offering a range of up to 33 feet (10 meters).
- Rii daju pe awọn agbekọri ti wa ni pipa.
- Tẹ bọtini agbara ki o si dimu fun bi iṣẹju-aaya 5-7 titi ti ina ifihan yoo fi tan pupa ati buluu ni ọna miiran, ti o fihan ipo isopọmọ.
- Lori ẹrọ rẹ (foonuiyara, tabulẹti, kọǹpútà alágbèéká), mu Bluetooth ṣiṣẹ ki o wa awọn ẹrọ to wa.
- Select "BT1638" or "JUNJIEUNVO BT1638" from the list of found devices.
- Nígbà tí a bá ti so mọ́ ara wọn, ìmọ́lẹ̀ àfihàn náà yóò máa tàn bulu díẹ̀díẹ̀ tàbí kí ó máa jẹ́ àwọ̀ búlúù tó lágbára.
- Ti o ba beere fun ọrọ igbaniwọle, tẹ "0000".

Image: The BT1638 headphones shown with a variety of compatible devices including laptops, smartphones, and tablets, illustrating broad connectivity.
Awọn ilana Iṣiṣẹ
1. Awọn iṣakoso ipilẹ
The headphones feature button and touch controls for various functions.
- Bọtini agbara: Tan-an/paa, tẹ ipo sisopọ sii.
- Iwọn didun Up/Orin atẹle: Tẹ kukuru fun iwọn didun soke, tẹ gun fun orin atẹle.
- Iwọn didun isalẹ/Orin ti tẹlẹ: Tẹ kukuru fun iwọn didun isalẹ, gun tẹ fun orin iṣaaju.
- Multi-function Button (MFB) / Touch Control:
- Ṣiṣẹ/Daduro: Tẹ ẹyọkan.
- Idahun/Ipe Ipari: Single press during an incoming call.
- Kọ Ipe: Press and hold for 2 seconds during an incoming call.
- Mu Oluranlọwọ Ohun ṣiṣẹ: Tẹ lẹmeji.
2. Sisisẹsẹhin Audio
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. Palolo Noise Ifagile
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. Wired Connection (AUX)
For situations where Bluetooth is not available or preferred, you can connect the headphones using an AUX cable.
- So opin kan ti okun waya AUX 3.5mm sinu ibudo AUX agbekọri naa.
- Plug the other end into your audio source's 3.5mm audio jack.
- Awọn agbekọri yoo yipada laifọwọyi si ipo ti firanṣẹ.
5. Itunu ati Fit
The BT1638 headphones feature an adjustable headband and rotatable earcups for a comfortable and secure fit.

Aworan: Isunmọ 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.
Itoju
Proper care will extend the life and performance of your headphones.
- Ninu: Use a soft, dry, lint-free cloth to clean the surfaces of the headphones. Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Awọn iṣu Eti: The memory foam and fabric ear cushions can be gently wiped with a slightly damp cloth if necessary, then allowed to air dry completely.
- Ibi ipamọ: Nigbati o ko ba wa ni lilo, tọju awọn agbekọri naa ni itura, aye gbigbẹ, kuro lati orun taara ati awọn iwọn otutu to gaju.
- Yago fun Ọrinrin: Àwọn agbekọri agbọ́rọ̀ yìí kò le gbà omi. Yẹra fún fífi ara hàn sí omi, òjò, tàbí ọ̀rinrin tó pọ̀ jù.
- Mu pẹlu Itọju: Yago fun sisọ awọn agbekọri silẹ tabi fifi wọn si awọn ipa to lagbara.
Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Awọn agbekọri ko ṣiṣẹ. | Batiri kekere. | Gba agbara si awọn agbekọri fun o kere ju iṣẹju 30. |
| Ko le so pọ pẹlu ẹrọ. | Awọn agbekọri ko si ni ipo sisopọ; Bluetooth kuro lori ẹrọ; ẹrọ ju jina. | Ensure headphones are in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move device closer to headphones (within 33 feet). |
| Ko si ohun tabi iwọn kekere. | Ohùn tó lọ sílẹ̀ jù; orísun ohùn tí kò tọ́; àwọn agbekọri kò sopọ̀ mọ́ ara wọn. | Increase volume on both headphones and connected device. Ensure headphones are properly paired or AUX cable is fully inserted. |
| Asopọmọra igba diẹ. | kikọlu; ẹrọ jina ju; kekere batiri. | Move closer to the connected device. Avoid strong electromagnetic interference. Ensure headphones are sufficiently charged. |
Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Orukọ awoṣe | SY-BT1638 |
| Asopọmọra Technology | Bluetooth, AUX |
| Imọ-ẹrọ Ibaraẹnisọrọ Alailowaya | Bluetooth, Alailowaya |
| Ẹya Bluetooth | 5.0 |
| Bluetooth Ibiti | Ẹsẹ 33 (mita 10) |
| Audio Driver Type | Yiyi Awakọ |
| Audio Driver Iwon | 40 millimeters |
| Idahun Igbohunsafẹfẹ | 20 Hz (lower bound) |
| Ifamọ | 102 dB |
| Ipalara | 32 ohm |
| Ariwo Iṣakoso | Fifagile Ariwo |
| Iṣakoso Iru | Ailokun |
| Ọna Iṣakoso | Fọwọkan, Bọtini |
| Akoko gbigba agbara | Awọn wakati 2 |
| Igbesi aye batiri | Up to 40 Hours (playback) |
| Ohun elo | Fabric, Memory Foam, Metal |
| Iwọn Nkan | 12 iwon (isunmọ 340g) |
| Omi Resistance Ipele | Ko Omi Resistant |
| Awọn ẹrọ ibaramu | Àwọn Kọ̀ǹpútà alágbèéká, Àwọn Fóònù alágbèéká, Àwọn Tábìlẹ́ẹ̀tì |
Alaye atilẹyin ọja
Specific warranty details for the JUNJIEUNVO BT1638 headphones are typically provided with your purchase documentation or on the manufacturer's official webojula. Jọwọ ṣe idaduro ẹri rira rẹ fun eyikeyi awọn ibeere atilẹyin ọja.
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.
Onibara Support
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 webojula, tabi nipasẹ rẹ alagbata.
When contacting support, please have your product model (SY-BT1638) and proof of purchase readily available.