1. Pengenalan
Thank you for choosing the Caymuller DT620 Open Ear Headphones. This manual provides detailed instructions for the proper use, setup, and maintenance of your new headphones. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Produk Lebihview dan Ciri
The Caymuller DT620 headphones are designed for comfort and functionality, featuring an open-ear design that allows you to stay aware of your surroundings while enjoying audio. Key features include:
- Keselesaan Telinga Terbuka: Bud-free design for extended wear without discomfort, ensuring situational awareness.
- Advanced Noise Cancellation Mic: A 270° flexible microphone with noise-canceling technology and a mute button for clear communication in noisy environments.
- Ultra-light & Supreme Comfort: Weighing approximately 0.06 pounds, with skin-friendly soft silicone ear pads for comfortable, stable wear during various activities.
- Wireless Bluetooth 5.3 & Multi-point Connection: Offers stable and fast connection to two Bluetooth-enabled devices simultaneously, with a wireless range of up to 33 feet.
- Penggunaan Serbaguna: Equipped with a multi-function button for easy control of calls and music, suitable for work, driving, running, hiking, cycling, and gaming.
- Hayat Bateri yang Panjang: Provides up to 10 hours of continuous talk time and 200 hours of standby time on a single 2-hour charge.

Figure 2.1: Caymuller DT620 Open Ear Headphones with Microphone. This image displays the full product, highlighting its open-ear design and flexible microphone arm.

Figure 2.2: Key features of the Caymuller DT620 headphones, including 10 hours battery life, 2 hours charging time, Bluetooth 5.3, noise-canceling microphones, 15 meters connection distance, and lightweight comfortable design.
3. Apa yang ada di dalam Kotak
Upon opening your product packaging, please ensure all items are present:
- Fon Kepala Telinga Terbuka x 1
4. Persediaan
4.1 Pengecasan Awal
Before first use, fully charge your headphones. Connect the included USB-C charging cable to the charging port on the headphones and to a compatible USB power source. A full charge takes approximately 2 hours.

Rajah 4.1: Jarak dekat view of the headphone's control panel, showing the multi-function button and the USB-C charging port, which is used for power input.
4.2 Berpasangan Bluetooth
- Pastikan fon kepala dimatikan.
- Press and hold the multi-function button until the indicator light flashes blue and red, indicating pairing mode.
- Pada peranti anda (telefon pintar, tablet, komputer riba), dayakan Bluetooth dan cari peranti yang tersedia.
- Select "Caymuller DT620" from the list of found devices.
- Sebaik sahaja disambungkan, lampu penunjuk akan bertukar menjadi biru pekat atau berkelip perlahan-lahan.
4.3 Sambungan Berbilang Titik
The headphones support simultaneous connection to two Bluetooth devices. To connect to a second device:
- Connect the headphones to the first device as described in Section 4.2.
- Lumpuhkan Bluetooth pada peranti pertama.
- Put the headphones back into pairing mode.
- Sambungkan fon kepala ke peranti kedua.
- Re-enable Bluetooth on the first device. The headphones should automatically connect to both devices. You can then seamlessly switch between them.

Figure 4.2: The Caymuller DT620 headphones demonstrating their ability to connect to two devices simultaneously, such as a smartphone and a tablet, via Bluetooth 5.3.
5. Arahan Operasi
5.1 Hidupkan/Mati Kuasa
- Hidupkan kuasa: Tekan dan tahan butang pelbagai fungsi selama 3 saat.
- Matikan: Tekan dan tahan butang pelbagai fungsi selama 5 saat.
5.2 Main balik Muzik
- Main/Jeda: Tekan butang berbilang fungsi sekali sahaja.
- Lagu Seterusnya: Tekan dua kali butang berbilang fungsi.
- Trek Sebelumnya: Tekan butang berbilang fungsi tiga kali.
- Kelantangan: Tekan butang '+'.
- Perlahankan suara: Tekan butang '-'.
5.3 Pengurusan Panggilan
- Jawab/Tamatkan Panggilan: Tekan butang berbilang fungsi sekali sahaja.
- Tolak Panggilan: Tekan dan tahan butang pelbagai fungsi selama 2 saat.
- Redam/Nyahredam Mikrofon: Press the dedicated mute button on the microphone arm.
Video 5.1: An official product video demonstrating the features and design of the Caymuller Open Ear Headphones with Mic. This video highlights the high sound quality, noise canceling capabilities, Bluetooth 5.3 connectivity, secure fit, comfortable wearing, USB-C charging, IP65 waterproof rating, and the ability to connect to two devices simultaneously.
6. Penyelenggaraan
To ensure the longevity and optimal performance of your Caymuller DT620 headphones, follow these maintenance guidelines:
- Pembersihan: Use a soft, dry cloth to wipe the headphones. Avoid using abrasive cleaners or solvents.
- Storan: Simpan fon kepala di tempat yang sejuk dan kering jauh dari cahaya matahari langsung dan suhu yang melampau.
- Pendedahan Air: While designed for sweat resistance, these headphones are not water resistant. Avoid submerging them in water or exposing them to heavy rain.
- mengecas: Always use the provided USB-C cable for charging. Do not use damaged cables or chargers.
7. Penyelesaian masalah
Jika anda menghadapi masalah dengan fon kepala anda, sila rujuk masalah dan penyelesaian biasa berikut:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Fon kepala tidak dihidupkan. | Bateri lemah. | Cas fon kepala selama sekurang-kurangnya 2 jam. |
| Tidak boleh berpasangan dengan peranti. | Fon kepala tiada dalam mod berpasangan; Bluetooth dimatikan pada peranti; peranti terlalu jauh. | Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move device closer to headphones (within 33 feet). |
| Tiada bunyi atau kelantangan rendah. | Volume too low on headphones or device; not connected. | Increase volume on both headphones and connected device. Ensure headphones are properly connected. |
| Microphone not working or muffled. | Microphone muted; poor signal; software incompatibility. | Ensure microphone is not muted. Check connection stability. Some VoIP/A/V conference platforms may have compatibility issues; try with a different application or device. |
| Cannot connect to two devices simultaneously. | Incorrect multipoint setup. | Follow the multipoint connection steps in Section 4.3 carefully. |
8. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nama Model | Open Ear Headphones with Mic |
| Nombor Model | DT620 |
| Jenama | Caymuller |
| Teknologi Ketersambungan | Bluetooth |
| Teknologi Komunikasi Tanpa Wayar | Bluetooth |
| Versi Bluetooth | 5.3 |
| Julat Bluetooth | 33 Kaki (lebih kurang 10 meter) |
| Hayat Bateri (Masa Berbual) | Sehingga 10 Jam |
| Masa Tunggu Sedia | 200 Jam |
| Masa Mengecas | 2 Jam |
| bahan | silikon |
| Berat Barang | 0.317 auns |
| Julat Kekerapan | 20 Hz hingga 20,000 Hz |
| Kaedah Kawalan | Sentuh |
| Kawalan Bunyi | Pembatalan Bunyi Aktif (untuk mikrofon) |
| Tahap Ketahanan Air | Tidak Kalis Air (Kalis Peluh) |
9. Waranti dan Sokongan
For warranty information and customer support, please refer to the product packaging or contact the retailer from whom you purchased the Caymuller DT620 headphones. Keep your purchase receipt as proof of purchase for any warranty claims.





