1. Pengenalan
Thank you for choosing the RadioShack Model 3304276 Noise-Cancelling Wireless Bluetooth Over-Ear Headphones. These headphones are designed to provide a high-quality audio experience with the convenience of wireless connectivity and active noise cancellation. This manual provides essential information for the proper setup, operation, and maintenance of your new headphones.

Imej: Depan view of the RadioShack Noise-Cancelling Wireless Bluetooth Over-Ear Headphones.
2. Kandungan Pakej
Sila sahkan bahawa semua item terdapat dalam pakej anda:
- RadioShack Noise-Cancelling Wireless Bluetooth Over-Ear Headphones
- USB-A to Micro USB Charging Cable (50cm)
- Auxiliary Audio Cable (100cm)
3. Ciri-ciri Produk
- Wireless Bluetooth V5.0 Connectivity: Ensures stable and efficient connection with compatible devices.
- Pembatalan Bunyi Aktif (ANC): Mengurangkan bunyi ambien untuk pengalaman mendengar yang mengasyikkan.
- Hayat Bateri yang Panjang: Sehingga 9 jam main balik berterusan pada satu cas.
- Reka bentuk yang selesa: Features soft ear cushions and an adjustable headband for extended wear.
- Struktur boleh lipat: Membolehkan penyimpanan padat dan mudah alih.
- Pilihan Berwayar: Includes an auxiliary audio cable for wired connection when wireless is not preferred or battery is low.

Image: Key features of the headphones, including battery life, Bluetooth version, noise cancellation, charging time, and wireless range.
4. Kawalan dan Petunjuk
The controls are located on the right earcup for easy access:

Imej: Sisi view of the headphones highlighting the control buttons.
- Butang Kuasa: Tekan dan tahan untuk menghidupkan/mematikan kuasa.
- Kelantangan Naik (+): Tekan pendek untuk meningkatkan kelantangan. Tekan lama untuk trek seterusnya.
- Perlahankan suara (-): Tekan pendek untuk mengurangkan kelantangan. Tekan lama untuk trek sebelumnya.
- Butang berbilang fungsi (MFB): Play/Pause, Answer/End Call, Activate Voice Assistant.
- Butang ANC: Hidupkan/matikan Pembatalan Bunyi Aktif.
- Penunjuk LED: Displays power status, pairing mode, and charging status.
- Port USB Mikro: Untuk mengecas fon kepala.
- Bicu Audio 3.5mm: Untuk sambungan berwayar menggunakan kabel tambahan.
5. Persediaan
5.1. Mengecas Fon Kepala
- Connect the Micro USB end of the charging cable to the Micro USB port on the headphones.
- Connect the USB-A end of the charging cable to a USB power source (e.g., computer, wall adapter).
- Penunjuk LED akan menyala semasa pengecasan dan bertukar warna atau padam apabila dicas sepenuhnya.
- Pengecasan penuh mengambil masa kira-kira 2 jam.
5.2. Menghidupkan/Mematikan
- Untuk Menghidupkan: Press and hold the Power Button until the LED indicator flashes.
- Untuk Mematikan: Press and hold the Power Button until the LED indicator turns off.
5.3. Berpasangan Bluetooth
- Pastikan fon kepala dimatikan.
- Press and hold the Power Button for approximately 5-7 seconds until the LED indicator flashes rapidly (usually blue and red), indicating pairing mode.
- Pada peranti anda (telefon pintar, tablet, komputer), dayakan Bluetooth dan cari peranti yang tersedia.
- Select "RadioShack 3304276" (or similar name) from the list of found devices.
- Once paired, the LED indicator will flash slowly or remain solid blue.
6. Arahan Operasi
6.1. Main balik Muzik
- Main/Jeda: Tekan MFB sekali.
- Lagu Seterusnya: Tekan lama butang Naikkan Kelantangan (+).
- Trek Sebelumnya: Tekan lama butang Kelantangan Turun (-).
- Pelarasan Kelantangan: Tekan sebentar butang Kelantangan Naik (+) atau Kelantangan Turun (-).
6.2. Pengurusan Panggilan
- Jawab/Tamatkan Panggilan: Tekan MFB sekali.
- Tolak Panggilan: Tekan dan tahan MFB selama 2 saat.
6.3. Pembatalan Bunyi Aktif (ANC)
- Press the ANC Button to activate or deactivate the noise cancellation feature.
- The LED indicator may change to confirm ANC status.

Image: Headphones positioned to highlight the noise cancellation feature.
6.4. Sambungan Berwayar
Untuk menggunakan fon kepala dengan sambungan berwayar:
- Plug one end of the auxiliary audio cable into the 3.5mm audio jack on the headphones.
- Palamkan hujung yang satu lagi ke dalam output audio peranti anda.
- The headphones will function as passive headphones in wired mode, even if the battery is depleted.
7. Penyelenggaraan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan fon kepala. Jangan gunakan pembersih atau pelarut yang melelas.
- Storan: Apabila tidak digunakan, simpan fon kepala di tempat yang sejuk dan kering. Reka bentuk boleh lipat membolehkan storan padat.
- Penjagaan Bateri: Untuk memanjangkan hayat bateri, elakkan daripada menyahcas sepenuhnya fon kepala dengan kerap. Mengecasnya dengan kerap, walaupun tidak digunakan secara berterusan.

Image: Headphones folded, demonstrating their compact storage capability.
8. Penyelesaian masalah
- Tiada Kuasa: Ensure the headphones are fully charged. Connect to a power source using the Micro USB cable.
- Tidak boleh berpasangan: Ensure Bluetooth is enabled on your device and the headphones are in pairing mode (rapidly flashing LED). Move the headphones closer to your device. Try restarting both the headphones and your device.
- Tiada Bunyi: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly paired or the auxiliary cable is securely connected.
- Bluetooth Re-engages After Power Off: If the Bluetooth indicator briefly reactivates after powering off, it may be searching for a connection due to residual battery power. To ensure complete disconnection, power off the headphones and then disable Bluetooth on your connected device.
- Kualiti Bunyi Lemah: Ensure there are no obstructions between the headphones and your device. Move away from sources of interference (e.g., Wi-Fi routers, other Bluetooth devices).
9. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Nama Model | RadioShack Noise-Cancelling Headphones (400MAH) |
| Nombor Model | 3304276 |
| Teknologi Ketersambungan | Wireless, Wired (Auxiliary) |
| Teknologi Komunikasi Tanpa Wayar | Bluetooth |
| Versi Bluetooth | 5.0 |
| Bentuk alat dengar | Atas Telinga |
| Kawalan Bunyi | Pembatalan Bunyi Aktif |
| Hayat Bateri | Sehingga 9 Jam |
| Masa Mengecas | Lebih kurang 2 Jam |
| Julat Kekerapan | 20 Hz - 20,000 Hz |
| Julat Tanpa Wayar | Sehingga 32 kaki (10 meter) |
| bahan | Akrilonitril Butadiena Stirena (ABS) |
| Berat Barang | 11.5 auns (326 gram) |
| Peranti Serasi | Telefon bimbit, Desktop, Komputer riba, Tablet |
10. Maklumat Keselamatan
- Do not use the headphones at high volume levels for extended periods to prevent hearing damage.
- Do not use the headphones while driving, cycling, or operating machinery where the inability to hear ambient sounds may pose a danger.
- Jauhkan fon kepala daripada air, kelembapan dan suhu yang melampau.
- Jangan cuba membuka atau mengubah suai fon kepala. Ini boleh membatalkan jaminan dan menyebabkan kerosakan.
- Dispose of the battery according to local regulations. Do not dispose of in fire.
11. Waranti dan Sokongan
For warranty information and customer support, please refer to the documentation included with your product packaging or visit the official RadioShack webtapak. Simpan bukti pembelian anda untuk tuntutan waranti.