BACKWIN B870
BACKWIN Wired Earbuds User Manual
Ụdị: B870
Okwu mmalite
This manual provides detailed instructions for the use, setup, and maintenance of your BACKWIN Wired Earbuds, Model B870. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

The BACKWIN Wired Earbuds, featuring a 3.5mm jack and in-line controls, are designed for a wide range of audio devices.
Ihe ngwugwu
Chọpụta na ihe niile dị na ngwugwu:
- BACKWIN Wired Earbuds (Model B870)
- Ear Cushions (3 pairs: Small, Medium, Large)
- Okwu nchekwa
- Akwụkwọ ntuziaka (akwụkwọ a)

Image showing the BACKWIN Wired Earbuds along with the included ear tips in various sizes and a protective pouch.
Melite
1. Selecting the Right Ear Tips
Proper ear tip selection is crucial for comfort, sound quality, and noise isolation. Experiment with the included Small (S), Medium (M), and Large (L) ear tips to find the best fit for your ears.
- Jiri nwayọọ wepụ ndụmọdụ ntị etinyegoro mbụ.
- Select a pair of ear tips that feel comfortable and create a good seal in your ear canal.
- Press the new ear tips firmly onto the earbud nozzles until they are securely attached.

Illustration demonstrating the ergonomic design of the earbuds and the three included ear tip sizes (S, M, L) for optimal fit.
2. Ijikọ na ngwaọrụ gị
The BACKWIN Wired Earbuds feature a standard 3.5mm audio jack for broad compatibility.
- Locate the 3.5mm audio jack on your smartphone, tablet, laptop, desktop PC, MP3 player, or game console.
- Insert the earbud's 3.5mm plug firmly into the device's audio jack until it clicks into place.
- Hụ na njikọ ahụ dị nchebe iji gbochie nkwụsị ọdịyo.

The 3.5mm audio jack ensures wide compatibility with various devices including laptops, desktop PCs, smartphones (Android, iPhone), tablets (iPad), game consoles, and MP3 players.
Ntuziaka ọrụ
In-line Remote Control Functions
The in-line remote allows for easy control of audio playback and calls without needing to access your device.

Zuru ezu view of the multi-function in-line remote control, illustrating button functions for volume adjustment, track navigation, and call management.
- Elu elu (+): Pịa ka iwelie olu.
- Mpịakọta ọnụ (-): Pịa ka ibelata olu.
- Bọtịnụ ọtụtụ ọrụ (Ebe etiti):
- Pịa otu ugboro: Play/Pause audio; Answer/End call.
- Ugboro abụọ pịa: Egwu na-esote.
- Atọ pịa: egwu gara aga.
- Igwe okwu arụnyere n'ime ya: Located on the remote, allows for hands-free calling. Position the microphone near your mouth for clear communication.
Features and Technology
Four-Speaker Sound System
Each earbud is equipped with two speakers: a moving coil speaker for powerful bass and an iron ring speaker for clear highs and noise reduction. This dual-driver design delivers a balanced and immersive audio experience.

Anatomy of the earbud's internal structure, highlighting the dynamic coil for bass and moving iron for treble, contributing to HiFi stereo sound.
Anti-Tangle Cable Design
The earbud cable is constructed from soft and elastic aerospace TPE hollow material, reinforced with copper wire and fiber. This design provides excellent durability, abrasion resistance, and significantly reduces tangling, ensuring a smooth user experience, especially during gaming with 0 latency.

Detailed cross-section of the TPE noise reduction cable, showing its robust construction with 244 copper cores and 200D bulletproof wire for durability and tangle prevention.
IP67 anaghị egbochi uzuzu na ọkwa enweghị mmiri
The earbuds are rated IP67, offering protection against dust ingress and immersion in water up to 1 meter for 30 minutes. This makes them suitable for use during workouts or in light rain, but they are not intended for swimming or prolonged submersion.
Nlekọta na nlekọta
- Nhicha: Jiri nwayọọ na-ehicha ndụmọdụ ntị mgbe niile, damp cloth. For the earbud nozzles, gently wipe away any earwax or debris using a dry cotton swab. Do not use harsh chemicals or abrasive materials.
- Nchekwa: When not in use, store the earbuds in the provided protective case to prevent tangling and damage.
- Mkpughe mmiri: While IP67 rated, avoid unnecessary exposure to water. If they get wet, dry them thoroughly before storing or using again. Do not charge or connect to a device if the jack is wet.
- Nlekọta USB: Avoid sharp bends or excessive pulling on the cable to maintain its integrity.
Nchọpụta nsogbu
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Enweghị ụda ma ọ bụ olu dị ala |
|
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| Mgbagọ ụda ma ọ bụ mkpọtụ |
|
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| Igwe okwu anaghị arụ ọrụ |
|
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Nkọwapụta
| Aha Nlereanya | B870 |
| Teknụzụ Njikọta | Waya (Jak 3.5mm) |
| Nhazi Ọkà Okwu | Four-speaker system (Moving Coil + Iron Ring per earbud) |
| Ihe USB | Aerospace TPE hollow material with copper wire and fiber |
| Ogo Nguzogide Mmiri | IP67 (ihe mkpuchi uzuzu na mmiri anaghị egbochi ya) |
| Ụdị njikwa | In-line Volume Control, Multi-function Button |
| Igwe okwu | Wuru n'ime |
| Ntinye ntị | Na Ntị |
| Njikwa mkpọtụ | Mwepu ụda |
| Ibu Ibu | 1.13 ounces |
Akwụkwọ ikike na nkwado
The BACKWIN Wired Earbuds (Model B870) come with a 2-afọ akwụkwọ ikike site na ụbọchị ịzụrụ. Akwụkwọ ikike a na-ekpuchi ntụpọ nrụpụta na arụ ọrụ n'okpuru ojiji nkịtị.
Akwụkwọ ikike anaghị ekpuchi:
- Damage caused by misuse, abuse, accident, or negligence.
- Nkịtị iyi na akwa.
- Ndozi ma ọ bụ mgbanwe na-akwadoghị.
- Damage from improper storage or extreme environmental conditions.
For warranty claims or technical support, please contact BACKWIN customer service through the retailer where the product was purchased or visit the official BACKWIN websaịtị maka ozi kọntaktị.
Biko dowe ihe akaebe nke ịzụrụ ihe maka nkwado akwụkwọ ikike.
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