Bubuka
This manual provides detailed instructions for the safe and effective use of your Csasan J90 Pro Bluetooth 5.3 Wireless Earbuds. Please read this manual thoroughly before using the product and retain it for future reference.

Image: Csasan J90 Pro Wireless Earbuds in their purple charging case, displaying an LED power indicator.
Eusi pakét
Pastikeun sadaya item anu didaptarkeun di handap aya dina pakét anjeun:
- 2 x Earbud Bluetooth (Kénca sareng Katuhu)
- 1 x Kasus Ngecas Gancang
- 1 x Kabel Ngecas USB-C
- 3 x Pasang Sumbat Ceuli (S, M, L)
- 1 x Manual Instruksi

Image: The Csasan J90 Pro earbuds, charging case, USB-C cable, and various ear tip sizes laid out, alongside the user guide.
Produk Leuwihview
The Csasan J90 Pro earbuds feature a compact and ergonomic design for comfortable wear. The charging case includes an LED display to show battery levels.

Image: A visual representation of the compact and lightweight design of the earbuds and charging case, with measurements and a US quarter for size comparison.
Disetél
1. Ngecas Earbuds jeung Case
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a power source. The LED display on the case will indicate the charging status.
- Waktu Ngecas: Kurang leuwih 1.5 jam pikeun ngecas pinuh.
- Kahirupan batré: Up to 6-8 hours on a single charge, with the charging case providing an additional 4 charges for a total of 40 hours playtime.

Image: The charging case with its LED display showing battery levels, highlighting the long-lasting battery capacity of the earbuds.
2. Nyapasangkeun sareng Alat Anjeun
Headphone ieu ngagunakeun téknologi Bluetooth 5.3 pikeun sambungan anu stabil sareng efisien.
- Pastikeun Bluetooth alat anjeun diaktipkeun.
- Buka wadah ngecas. Earbuds bakal otomatis hurung tur asup kana mode papasangan.
- On your device, search for "J90 Pro" in the Bluetooth settings and select it to connect.
- Once connected, the earbuds will automatically pair with your device in subsequent uses when the case is opened.

Image: A visual guide demonstrating the one-step pairing process of the J90 Pro earbuds with a smartphone, showing the device name "J90 Pro" in the Bluetooth list.

Image: An illustration showing the flexibility of using the J90 Pro earbuds in either single ear mode or binaural (both ears) mode, connecting to a smartphone.
3. Ngagem Earbuds
Select the ear tips (S, M, L) that provide the most comfortable and secure fit for optimal sound quality and noise isolation. Insert the earbuds into your ears and gently twist them until they are snug.
Parentah Operasi
The J90 Pro earbuds feature sensitive touch controls on both earbuds for easy management of audio and calls.

Image: A detailed graphic illustrating the smart touch control functions for the Csasan J90 Pro earbuds, including playback, call management, volume adjustment, and track navigation.

Image: A comprehensive guide to the touch controls for both the left and right earbuds, detailing actions like single tap, double tap, and press-and-hold for various functions.
Puterkeun Musik
- Puter / Reureuh: Ketok boh earbud dua kali.
- Lagu salajengna: Pencet jeung tahan earbud katuhu pikeun 2 detik.
- Lagu Sateuacanna: Pencet sareng tahan earbud kénca salami 2 detik.
- Volume Up: Ketok earbud katuhu sakali.
- Volume Turun: Ketok earbud kénca sakali.
Manajemén Telepon
- Ngajawab Telepon: Ketok boh earbud sakali.
- Tungtung Telepon: Pencét jeung tahan boh earbud salila 2 detik.
- Nolak Telepon: Pencet jeung tahan boh earbud salila 2 detik dina mangsa telepon asup.
Asisten sora
- Aktipkeun Asisten Sora: Ketok boh earbud tilu kali.
Pangropéa
beberesih
Pembersihan rutin ngabantosan ngajaga kinerja sareng kabersihan anu optimal.
- Anggo lawon anu lembut, garing, henteu lint pikeun ngusap earbuds sareng wadah ngecas.
- Cabut tip ceuli sareng bersihkeun ku sabun sareng cai anu hampang, teras garing sateuacana dipasang deui.
- Ulah make cleaners abrasive atawa objék seukeut.
Panyimpenan
Lamun teu dipake, nyimpen earbuds dina wadah ngecas maranéhanana pikeun ngajaga eta tina lebu jeung karuksakan.
Tahan cai (IP7)
The earbuds feature IP7 nano-coating technology, making them resistant to sweat and rain. This allows for use during workouts or in various weather conditions. However, they are not designed for submersion in water.

Image: A woman at a gym, wearing the Csasan J90 Pro earbuds, demonstrating their IP7 waterproof capability for active use.
Pamérésan masalah
Upami anjeun mendakan masalah, mangga tingal solusi umum ieu:
- Earbuds teu dipasangkeun:
- Pastikeun kadua earbuds dicas.
- Pareuman sareng aktipkeun Bluetooth alat anjeun.
- Lebetkeun deui earbud kana wadahna, tutup, teras buka deui pikeun lebet deui kana modeu pairing.
- Forget "J90 Pro" from your device's Bluetooth list and try pairing again.
- Hiji earbud teu jalan:
- Pastikeun kadua earbuds dicas.
- Lebetkeun deui dua earbud kana wadah ngecas, tutup tutupna, antosan sababaraha detik, teras buka deui.
- Coba setel ulang earbud (tingali pitunjuk setel ulang khusus produsén upami sayogi, upami henteu, ngecas pinuh sareng dipasangkeun deui sering ngabéréskeun masalah ieu).
- Kualitas sora goréng:
- Ensure earbuds are properly seated in your ears with the correct size ear tips.
- Bersihkeun tungtung ceuli sareng kisi-kisi earbud.
- Ensure your device is within the Bluetooth range (up to 10 meters).
- Kasus ngecas teu ngecas:
- Pariksa kabel USB-C sareng adaptor daya naha aya karusakan.
- Ensure the cable is securely connected to both the case and the power source.
spésifikasi
| Ngaran modél | J90 Pro |
| Vérsi Bluetooth | 5.3 |
| Téhnologi konektipitas | Nirkabel (Bluetooth) |
| Téknologi Komunikasi Nirkabel | Bluetooth |
| Kahirupan Batré (Earbuds) | 6-8 Jam |
| Total Playtime kalawan Case Ngecas | 40 Jam |
| Waktu Ngecas | 1.5 Jam |
| Tingkat Résistansi Cai | IP7 Waterproof |
| Métode kontrol | Toél |
| Tipe Supir Audio | Supir dinamis (13mm) |
| Rentang Bluetooth | 10 méter |
| Rentang Frékuénsi | 20 Hz - 20,000 Hz |
| Item Beurat | 0.1 Kilogram (3.52 ons) |
| Alat nu cocog | Most iOS and Android devices with Bluetooth |
Garansi sareng Rojongan
Csasan is committed to providing quality products and customer satisfaction.
- Garansi: Your Csasan J90 Pro earbuds come with a 2-year warranty. Please retain your proof of purchase.
- Palayanan palanggan: For any inquiries or support needs, please contact our customer service. We aim to respond within 24 hours.
For further assistance, please visit the official Csasan store or contact customer support through your purchase platform.

Gambar: Hiji leuwihview of key features of the Csasan J90 Pro earbuds, including sound quality, connectivity, battery life, and water resistance.





