1. Производот завршиview
The LEXIN LX-B4FM is a Bluetooth v5.0 HiFi Stereo Headset designed for motorcycle use. It enables hands-free mobile phone calls, high-fidelity stereo music playback, FM radio reception, and wireless voice instructions from Bluetooth-enabled GPS navigation units. The system supports conference intercom conversations for up to 10 riders, with an intercom range of 2000 meters (1.2 miles) for a group, and 500 meters for two riders.
Key features include a Qualcomm chip for reliable connectivity, extended battery life, clear sound, and secure data transmission. It also offers music sharing capabilities and advanced noise cancellation technology.
2. Поставување и инсталација
2.1 Содржина на пакетот
Пред инсталацијата, проверете дали сите компоненти се присутни:
- LEXIN LX-B4FM Main Unit
- Boom Microphone (for open-face or flip-face helmets)
- Button Microphone (for full-face helmets)
- Звучници
- Mounting Brackets and Adhesives
- USB кабел за полнење
2.2 Инсталација во кацига
The LX-B4FM is compatible with various helmet types. Choose the appropriate microphone for your helmet style:
- Бум микрофон: Recommended for open-face or flip-face helmets. Position the microphone close to your mouth for optimal voice pickup.
- Копчест микрофон: Suitable for full-face helmets. Mount it inside the helmet near the mouth area.
Secure the main unit to the side of your helmet using the provided clamp or adhesive mount. Route the speaker and microphone cables neatly within the helmet padding to avoid discomfort or interference.

Image: The LEXIN B4FM unit and its various components, including the main module, speakers, and two types of microphones, ready for helmet installation.
2.3 Полнење на уредот
Before first use, fully charge the LX-B4FM unit. Connect the provided USB charging cable to the unit and a power source. A full charge typically takes approximately 3 hours. The 800mAh battery provides up to 15 hours of talk or music playback time and over 168 hours of standby time.

Image: A LEXIN B4FM unit mounted on a helmet, with icons indicating 15 hours talk time, 15 hours music time, and 3 hours for a full charge.
2.4 Почетно спарување
To pair the LX-B4FM with your mobile phone or another intercom unit:
- Ensure the LX-B4FM is powered off.
- Притиснете и задржете го копчето за вклучување додека LED индикаторот не трепка црвено и сино, што укажува на режим на спарување.
- On your mobile phone, enable Bluetooth and search for available devices. Select 'LEXIN B4FM' from the list.
- Откако ќе се поврзе, LED индикаторот полека ќе трепка сино.
The LX-B4FM supports universal pairing with most motorcycle headsets, including other LEXIN models (G2P, GTX, G16, MeshCom, Novus) and various other brands.

Image: A LEXIN B4FM unit mounted on a helmet, illustrating its capability for universal pairing with other brands of intercom systems.
3. Упатства за работа
3.1 Вклучување/исклучување
- Вклучување: Press and hold the Power button for approximately 3 seconds until the LED flashes blue.
- Исклучено: Press and hold the Power button for approximately 5 seconds until the LED flashes red and then turns off.
3.2 Интерфонска комуникација
The LX-B4FM supports group intercom for up to 10 riders, with optimal performance for groups of 4. The maximum range is 2000 meters (1.2 miles) for a group, and 500 meters for two riders.
- Иницирај интерфон: After pairing with other LX-B4FM units, a short press of the Intercom button will initiate a conversation.
- Краен интерфон: Притиснете го копчето Интерком повторно за да го завршите разговорот.

Image: An illustration showing multiple motorcycles on a winding road, demonstrating the LEXIN B4FM's intercom range for up to 10 riders (best for 4) over 1.2 miles, with a specific range of 500m for two riders.
3.3 Репродукција и споделување на музика
Enjoy HiFi stereo music through the Mylar coaxial speakers. The LX-B4FM features DSP/CVC technology for clear audio quality even at speeds up to 120 km/h.
- Пушти/Паузирај музика: Кратко притиснете го копчето за повеќе функции.
- Следна песна: Кратко притиснете го копчето за зголемување на јачината на звукот.
- Претходна песна: Кратко притиснете го копчето за намалување на јачината на звукот.
- Споделување музика: Two riders can enjoy the same song by double-clicking the Power button on one of the paired units.

Image: Two riders on motorcycles, illustrating the music sharing feature of the LEXIN B4FM, allowing them to enjoy the same song simultaneously.
3.4 Телефонски повици и гласовен асистент
When paired with your mobile phone, the LX-B4FM allows for hands-free communication.
- Одговори на повикот: Кратко притиснете го копчето за повеќе функции.
- Крај на повикот: Кратко притиснете го копчето за повеќе функции.
- Одбијте го повикот: Притиснете и задржете го копчето за повеќе функции 2 секунди.
- Повторно бирајте последен број: Double-click the Multi-function button.
- Активирајте го гласовниот асистент (Siri/Google Assistant): Press and hold the Multi-function button for 2 seconds (when not on a call).
3.5 FM радио
The LX-B4FM includes an integrated FM radio.
- Вклучување/исклучување на FM радио: Притиснете го и држете го копчето FM 2 секунди.
- Скенирање станици: Short press the Volume Up or Volume Down button to tune to the next/previous station.
4. Одржување
4.1 Хидроизолација
The LX-B4FM helmet communication system is designed with IP67 waterproof ports and plugs, ensuring reliable performance in various weather conditions, including temperatures as low as -22°F (-30°C). While it is waterproof, avoid submerging the unit in water for extended periods.

Image: A LEXIN B4FM unit mounted on a helmet, with water droplets on the helmet and windshield, emphasizing its waterproof capabilities and ability to function in rain.
4.2 Грижа за батерии
- To prolong battery life, avoid fully discharging the unit frequently.
- Charge the unit regularly, even if not in use for extended periods (e.g., once every 3 months).
- Чувајте го уредот на ладно и суво место кога не го користите.
4.3 Чистење
Избришете го уредот со меко, гamp крпа. Не користете груби хемикалии или абразивни средства за чистење.
5 Смена на проблеми
If you encounter issues with your LX-B4FM, refer to the following common problems and solutions:
- Без моќност: Ensure the unit is fully charged. Connect it to a charger and check if the charging indicator lights up.
- Нема звук од звучниците: Check that the speaker cables are securely connected to the main unit. Verify volume levels on both the LX-B4FM and your connected device.
- Cannot Pair with Phone/Intercom: Ensure both devices are in pairing mode. Turn off and restart both devices, then attempt pairing again. Clear previous pairings on your phone if necessary.
- Intercom Disconnects Frequently: Ensure units are within the specified intercom range. Obstacles and terrain can affect range. Check for low battery on either unit.
- Лош квалитет на звук/шум: Ensure the microphone is positioned correctly and not obstructed. Check for strong electromagnetic interference.
- Копчињата не реагираат: Try resetting the device by pressing and holding the Power button for an extended period (e.g., 10-15 seconds) or by charging it.
6. Технички спецификации
| Број на модел | LX-B4FM |
| Bluetooth верзија | v5.0 |
| Интерфонски опсег (група) | Up to 2000 meters (1.2 miles) for 10 riders (best for 4) |
| Интерфонски шпорет (2 јавачи) | До 500 метри |
| Капацитет на батеријата | 800mAh литиумска метална батерија |
| Време за разговор | До 15 часа |
| Време на репродукција на музика | До 15 часа |
| Време на мирување | Над 168 часа |
| Време на полнење | Приближно 3 часа |
| Водоотпорен рејтинг | IP67 |
| Работна температура | -22°F до 122°F (-30°C до 50°C) |
| Контролен метод | Допир, глас |
| Материјал | Пластика |
| Тежина на ставката | 0.59 килограми (1.3 фунти) |
7. Гаранција и поддршка
7.1 Информации за гаранцијата
LEXIN products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official LEXIN webстраница. Зачувајте го доказот за купување за гаранциски побарувања.
7.2 Поддршка за корисници
If you require further assistance, have questions, or encounter issues not covered in this manual, please contact LEXIN customer support. You can typically find contact information, FAQs, and additional resources on the official LEXIN webсајт:





