Introducció
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.
Què hi ha a la caixa
- Koss BT221i Wireless Bluetooth Ear Clip Headphones
- Manual d'usuari
- Cable de càrrega (Micro USB)
- Clip de gestió de cables
Producte acabatview
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.
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.
Configuració
Carregant els auriculars
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).
Figure 3: Headphones connected to a charging cable, illustrating the charging process.
Emparellament Bluetooth
- Assegureu-vos que els auriculars estiguin apagats.
- 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.
- Al dispositiu amb Bluetooth (telèfon intel·ligent, tauleta, etc.), aneu a la configuració de Bluetooth i activeu el Bluetooth.
- Cerca available devices and select "Koss BT221i" from the list.
- Once paired, the LED indicator on the headphones will flash blue periodically, and you will hear an audible confirmation.
The headphones will automatically attempt to reconnect to the last paired device when turned on.
Instruccions de funcionament
Portant els auriculars
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.
Figure 4: A woman wearing the Koss BT221i headphones, demonstrating the on-ear fit with ear clips.
Figura 5: Detall view of the pivoting ear clip, designed for a secure and adjustable fit.
Basic Controls (In-Line Remote)
| Botó/Acció | Funció |
|---|---|
| Botó multifunció (Centre) |
|
| Puja el volum (+) |
|
| Baixar el volum (-) |
|
Fer i rebre trucades
When connected to your smartphone, you can use the in-line remote to manage calls:
- A respondre a una trucada entrant, short press the multi-function button.
- A end an active call, short press the multi-function button.
- A rebutjar una trucada entrant, press and hold the multi-function button for 2 seconds.
- The built-in microphone ensures clear voice transmission during calls.
Manteniment
- Neteja: Netegeu els auriculars amb un drap suau i sec. No utilitzeu productes químics agressius ni materials abrasius.
- Resistència a la suor: The headphones are sweat-resistant, making them suitable for workouts. However, avoid submerging them in water.
- Emmagatzematge: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Use the included cable management clip to prevent tangling.
Figure 6: The cable management clip helps keep the headphone cable tidy and prevents tangling during storage or use.
Resolució de problemes
| Problema | Solució |
|---|---|
| Els auriculars no s'encenen. | Assegureu-vos que els auriculars estiguin completament carregats. Connecteu-los a una font d'alimentació i comproveu l'indicador de càrrega. |
| No es pot emparellar amb el dispositiu. |
|
| Sense so o amb un volum baix. |
|
| Uncomfortable fit or ear pads falling off. |
|
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | BT221i Bluetooth Wireless Headphones |
| Versió Bluetooth | 4.2 |
| Durada de la bateria | Més de 6 hores |
| Temps de càrrega | Approx. 1.5 hours (from customer review) |
| Tipus de control | Control de volum, comandament a distància |
| Micròfon | Micròfon en línia |
| Resistència a l'aigua | Resistent a la suor |
| Col·locació de l'orella | On Ear (Ear Clip) |
| Pes de l'article | 1.95 unces (0.06 quilograms) |
| Dimensions del producte | 0.98 x 0.98 x 0.98 polzades |
Garantia i Suport
Your Koss BT221i Wireless Bluetooth Ear Clip Headphones come with a Un any de garantia limitada. For warranty claims or technical support, please visit the official Koss weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Conserveu el comprovant de compra per validar la garantia.
Vídeo oficial del producte
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.
