1. المقدمة
This manual provides detailed instructions for the ONN Wireless Headset and Bluetooth FM Transmitter, Model ONN-CBT3353. This device combines a car Bluetooth FM transmitter with a detachable wireless headset, offering versatile audio streaming, hands-free calling, and device charging capabilities. Please read this manual thoroughly before use to ensure proper operation and to maximize the product's lifespan.
2. معلومات السلامة
- لا تعرض الجهاز للماء أو الرطوبة أو درجات الحرارة العالية.
- Avoid disassembling or modifying the device, as this will void the warranty and may cause damage.
- يحفظ بعيدًا عن متناول الأطفال.
- Ensure the device is securely plugged into the car's cigarette lighter socket.
- Do not operate the device while driving if it distracts you from the road. Prioritize road safety.
3. محتويات العبوة
- ONN Bluetooth FM Transmitter
- Detachable Wireless Headset
- دليل المستخدم
4. انتهى المنتجview
The ONN-CBT3353 consists of two main components: the FM Transmitter (car charger unit) and the Wireless Headset.

الصورة 4.1: The ONN Wireless Headset and FM Transmitter, illustrating the separate headset and the main transmitter unit with its charging ports and controls.

الصورة 4.2: واضح view of the ONN Wireless Headset detached from the FM Transmitter, showcasing both components.
FM Transmitter Features:
- عرض الصمام: Shows FM frequency.
- Frequency Adjustment Buttons: Used to change the FM frequency.
- زر متعدد الوظائف: For play/pause, answer/end calls, and Bluetooth pairing.
- USB-A Charging Port (Quick Charge 3.0): للأجهزة المتوافقة مع الشحن السريع.
- منفذ شحن USB-C: لشحن الأجهزة المتوافقة.
- Headset Charging Dock: Securely holds and charges the wireless headset.
Wireless Headset Features:
- زر الاتصال: For answering and ending phone calls.
- ميكروفون: للتواصل بدون استخدام اليدين.
- مؤشر LED: Shows charging and connection status.
5. الإعداد
5.1. Installing the FM Transmitter
- Insert the ONN FM Transmitter into your vehicle's 12V (cigarette lighter) power socket. The LED display will illuminate.
5.2. Charging the Wireless Headset
- Ensure the FM Transmitter is powered on.
- Place the wireless headset into its designated charging dock on the FM Transmitter. The headset's LED indicator will show charging status.
- A full charge provides up to 2 hours of talk time.

الصورة 5.1: The wireless headset securely docked within the FM Transmitter for charging and storage.
5.3. Pairing with a Bluetooth Device (Smartphone)
- With the FM Transmitter powered on, activate Bluetooth on your smartphone or other audio device.
- بحث عن available Bluetooth devices and select "ONN CBT3353" (or similar name) from the list.
- Once paired, the transmitter will indicate a successful connection, and audio from your device will be ready to stream.

الصورة 5.2: The FM Transmitter displaying the Bluetooth connection symbol, indicating it is paired with a device.
5.4. Setting the FM Frequency
- Tune your car's FM radio to an unused frequency (one with no strong broadcast signal).
- On the ONN FM Transmitter, use the frequency adjustment buttons (usually left/right arrows) to match the frequency displayed on the transmitter's LED screen to your car's radio frequency.
- Ensure the frequencies match for optimal audio transmission. The supported frequency range is 88.0 – 108.0 MHz.

الصورة 5.3: The FM Transmitter installed in a car's power outlet, displaying the set FM frequency.

الصورة 5.4: تفصيلية view of the FM Transmitter's LED display, showing the current frequency setting.
6. التشغيل
6.1. Playing Audio via FM Transmitter
- Once your smartphone is paired via Bluetooth and the FM frequency is set, open your preferred music or audio app on your phone.
- Audio will stream from your phone, through the FM Transmitter, and play through your car's stereo system.
- Use your phone or the transmitter's multi-function button to play/pause audio.
6.2. Using the Wireless Headset for Calls
- When a call comes in, you can answer it using the detachable wireless headset.
- To answer a call: Press the call button on the headset.
- To end a call: Press the call button on the headset again.
- The headset provides up to 2 hours of talk time on a full charge.

الصورة 6.1: The wireless headset being worn in an ear, demonstrating its use for hands-free communication.
6.3. شحن الأجهزة الخارجية
The FM Transmitter is equipped with Quick Charge 3.0 technology and both USB-A and USB-C charging ports.
- Connect your device's charging cable to either the USB-A or USB-C port on the transmitter.
- The Quick Charge 3.0 USB-A port supports output settings of DC 5V/3A, 9V/2A, or 12V/1.5A.
- The USB-C port supports output settings of DC 5V/3A.
- Ensure your device is compatible with these charging specifications for optimal performance.

الصورة 6.2: جانب view of the FM Transmitter, highlighting the integrated USB-A and USB-C charging ports.
7. الصيانة
- تنظيف: استخدم قطعة قماش ناعمة وجافة لتنظيف الجهاز. لا تستخدم المنظفات السائلة أو البخاخات.
- تخزين: عند عدم الاستخدام، قم بتخزين الجهاز في مكان بارد وجاف بعيدًا عن أشعة الشمس المباشرة ودرجات الحرارة القصوى.
- العناية بسماعات الرأس: Keep the headset's charging contacts clean to ensure reliable charging.
8. استكشاف الأخطاء وإصلاحها
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| No power to FM Transmitter | Not properly inserted into 12V socket; vehicle's 12V socket is faulty. | Ensure the transmitter is fully inserted. Check the vehicle's 12V socket with another device. |
| No audio from car stereo | FM frequency mismatch; Bluetooth not paired; car radio not on FM mode. | Match FM frequencies on transmitter and car radio. Re-pair Bluetooth. Ensure car radio is set to FM. |
| جودة صوت رديئة/تشويش | Interference from other FM stations; weak signal. | Try a different, clearer FM frequency. Ensure transmitter is not obstructed. |
| سماعة الرأس لا يتم شحنها | Headset not properly docked; dirty charging contacts. | Ensure headset is correctly seated in the dock. Clean charging contacts on both headset and dock. |
| Headset cannot connect/pair | Headset out of range; low battery; pairing issue. | Ensure headset is charged and within range. Try re-pairing the headset with the transmitter (if applicable, or ensure it's docked for connection). |
| Devices not fast charging | Device not Quick Charge compatible; cable issue. | Ensure your device supports Quick Charge 3.0. Use a high-quality charging cable. |
9. المواصفات
| ميزة | التفاصيل |
|---|---|
| رقم الموديل | ONN-CBT3353 |
| أبعاد المنتج | 1.69 × 4.15 × 1.69 بوصة |
| وزن العنصر | 3.52 أونصات |
| تكنولوجيا الاتصال | بلوتوث |
| مصدر الطاقة | Battery Powered (Headset), Vehicle 12V (Transmitter) |
| مادة | أكريلونيتريل بوتادين ستايرين (ABS) |
| نطاق التردد FM | 88.0 – 108.0 ميجا هرتز |
| مخرج USB-A (QC 3.0) | DC 5V/3A, 9V/2A, or 12V/1.5A |
| مخرج USB-C | تيار مستمر 5 فولت/3 أمبير |
| Headset Talk Time | تصل إلى 2 ساعة |

الصورة 9.1: The ONN FM Transmitter displaying its Quick Charge 3.0 USB and USB-C output specifications.
10. الضمان والدعم
For warranty information or technical support, please refer to the product packaging or contact ONN customer service. Keep your purchase receipt as proof of purchase.





