Koss BT221i

Koss BT221i Wireless Bluetooth Ear Clip Headphones Instruction Manual

Model: BT221i

pengenalan

Welcome to the user manual for your Koss BT221i Wireless Bluetooth Ear Clip Headphones. These headphones are designed for comfort and convenience, featuring a secure ear-clip design, in-line microphone, and remote controls. This manual will guide you through the setup, operation, and maintenance of your new headphones.

Apa yang ada dalam Kotak

Produk Selesaiview

Koss BT221i Wireless Bluetooth Ear Clip Headphones

Figure 1: Koss BT221i Wireless Bluetooth Ear Clip Headphones. This image shows the overall design of the headphones, highlighting the ear clips and the connecting cable.

In-Line Microphone and Remote Control

Figure 2: In-Line Microphone and Remote Control. This close-up shows the control unit on the headphone cable, featuring buttons for volume, play/pause, and call management.

The Koss BT221i headphones feature a lightweight, sweat-resistant design with pivoting ear clips for a secure and comfortable fit. The in-line remote provides easy access to music playback controls, volume adjustments, and call management functions, including a built-in microphone for hands-free communication.

Persediaan

Mengecas Fon Kepala

Before first use, fully charge your headphones. Connect the supplied Micro USB charging cable to the charging port on the in-line remote and plug the other end into a USB power source. A full charge typically takes approximately 1.5 hours. The LED indicator will change to show charging status (e.g., red for charging, blue for fully charged).

Koss BT221i Headphones Charging

Figure 3: Headphones connected to a charging cable, illustrating the charging process.

Berpasangan Bluetooth

  1. Pastikan fon kepala dimatikan.
  2. Press and hold the multi-function button (usually the center button on the remote) for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
  3. On your Bluetooth-enabled device (smartphone, tablet, etc.), go to the Bluetooth settings and turn Bluetooth on.
  4. Cari untuk available devices and select "Koss BT221i" from the list.
  5. Once paired, the LED indicator on the headphones will flash blue periodically, and you will hear an audible confirmation.

Fon kepala akan cuba menyambung semula secara automatik ke peranti yang terakhir dipasangkan apabila dihidupkan.

Arahan Operasi

Memakai Fon Kepala

The BT221i features pivoting ear clips for a secure and comfortable fit. Gently place the ear clips over your ears, ensuring the ear pads rest comfortably on your outer ear. Adjust the pivoting mechanism to achieve the best fit and sound experience. The lightweight design ensures comfort during extended use and physical activity.

Woman wearing Koss BT221i headphones

Figure 4: A woman wearing the Koss BT221i headphones, demonstrating the on-ear fit with ear clips.

Close-up of Koss BT221i ear clip

Rajah 5: Satu terperinci view of the pivoting ear clip, designed for a secure and adjustable fit.

Basic Controls (In-Line Remote)

Butang/TindakanFungsi
Butang pelbagai fungsi (Pusat)
  • Press & Hold (5-7s): Hidupkan/Mati Kuasa, Masukkan Mod Berpasangan
  • Akhbar Ringkas: Mainkan / Jeda muzik, Jawapan / Tamatkan panggilan
  • Tekan dua kali: Aktifkan Pembantu Suara (Siri/Google Assistant)
Kelantangan Naik (+)
  • Akhbar Ringkas: Tingkatkan Kelantangan
  • Tekan lama: Trek Seterusnya
Perlahankan suara (-)
  • Akhbar Ringkas: Kurangkan Kelantangan
  • Tekan lama: Trek Sebelumnya

Membuat dan Menerima Panggilan

When connected to your smartphone, you can use the in-line remote to manage calls:

Penyelenggaraan

Koss BT221i Cable Management Clip

Figure 6: The cable management clip helps keep the headphone cable tidy and prevents tangling during storage or use.

Menyelesaikan masalah

MasalahPenyelesaian
Fon kepala tidak boleh dihidupkan.Pastikan fon kepala dicas sepenuhnya. Sambungkan kepada sumber kuasa dan periksa penunjuk pengecasan.
Tidak boleh berpasangan dengan peranti.
  • Pastikan fon kepala berada dalam mod berpasangan (LED berkelip merah/biru).
  • Pastikan Bluetooth didayakan pada peranti anda.
  • Move headphones closer to your device (within 33 feet).
  • Lupakan peranti daripada senarai Bluetooth telefon anda dan cuba pasangkan semula.
Tiada bunyi atau kelantangan rendah.
  • Laraskan kelantangan pada kedua-dua fon kepala dan peranti anda yang disambungkan.
  • Pastikan fon kepala dipasangkan dan disambungkan dengan betul.
  • Semak sama ada sumber audio sedang dimainkan.
Uncomfortable fit or ear pads falling off.
  • Adjust the pivoting ear clips to find a comfortable position that rests on your outer ear, not pressing too hard.
  • Ensure ear pads are securely attached. If they frequently detach, contact support for replacements.

Spesifikasi

CiriPerincian
Nama ModelBT221i Bluetooth Wireless Headphones
Versi Bluetooth4.2
Hayat Bateri6+ Jam
Masa MengecasApprox. 1.5 hours (from customer review)
Jenis KawalanKawalan Kelantangan, Jauh
MikrofonMikrofon Dalam Talian
Tahan AirTahan Peluh
Penempatan TelingaOn Ear (Ear Clip)
Berat Barang1.95 auns (0.06 Kilogram)
Dimensi Produk0.98 x 0.98 x 0.98 inci

Waranti dan Sokongan

Your Koss BT221i Wireless Bluetooth Ear Clip Headphones come with a Waranti Terhad Setahun. For warranty claims or technical support, please visit the official Koss webtapak atau hubungi bahagian perkhidmatan pelanggan mereka. Simpan bukti pembelian anda untuk pengesahan waranti.

Video Produk Rasmi

Video 1: An official product video from Koss Stereophones showcasing the BT221i Wireless Bluetooth Ear Clips, highlighting features like the in-line mic, remote, and 6+ hour battery life.

Dokumen Berkaitan - BT221i

Praview Panduan Pengguna Alat Dengar Bluetooth Koss, Spesifikasi dan Maklumat Keselamatan
Panduan pengguna yang komprehensif untuk set kepala Bluetooth Koss, termasuk model KOSS BT115i V2, KOSS BT232i V2, KOSS BT221i V2, KOSS KSC35 Wireless V2 dan KOSS UTILITY UBTA. Meliputi amaran keselamatan, waranti, spesifikasi teknikal dan penyelenggaraan bateri.
Praview Panduan Pengguna Fon Kepala Pada Telinga Wayarles Koss Porta Pro
Panduan pengguna untuk Fon Kepala Tanpa Wayar Pada Telinga Koss Porta Pro, meliputi kawalan hadapan dan belakang, pengecasan, gandingan Bluetooth dan fungsi muzik/panggilan.
Praview Panduan Pengguna Fon Kepala Pada Telinga Wayarles Koss Porta Pro
Panduan pengguna untuk Fon Kepala Pada Telinga Tanpa Wayar Koss Porta Pro, perincian persediaan, gandingan Bluetooth, main balik muzik, pengurusan panggilan dan kawalan.
Praview Panduan Pengguna Fon Kepala Wayarles Koss KPH30
Panduan pengguna untuk Fon Kepala Wayarles Koss KPH30, meliputi persediaan, operasi, keselamatan dan spesifikasi.
Praview KOSS TWS250i True Wireless Earbuds User Manual
User guide for KOSS TWS250i True Wireless Earbuds, covering setup, pairing, touch controls, charging, specifications, and safety warnings.
Praview Manual Pengguna & Arahan Koss TWS150i True Wireless Earbuds
Panduan komprehensif untuk menggunakan Koss TWS150i True Wireless Earbuds anda, meliputi maklumat persediaan, gandingan, kawalan, pengecasan dan keselamatan.