1. Киришүү
The ISOtunes PRO 3.0 Bluetooth Hearing Protection Earbuds are designed to provide certified hearing protection while allowing for audio streaming and communication in noisy environments. This manual provides essential information for the proper setup, operation, and maintenance of your device.

Image 1.1: ISOtunes PRO 3.0 Bluetooth Hearing Protection Earbuds, Safety Orange variant, showcasing the earbuds, inline control panel, and connecting cable.
2. Пакеттин мазмуну
Төмөндө тизмеленген нерселердин баары пакетиңизге камтылганын текшериңиз:

Image 2.1: Visual representation of the ISOtunes PRO 3.0 package contents, including the earbuds, carrying case, USB-C charging cable, various eartips, and cable management clips.
- ISOtunes PRO 3.0 Earbuds
- USB-C заряддоо кабели
- Ташуу кутусу
- 4 Pairs of Trilogy™ Foam Eartips (XS, S, M, L)
- 1 Pair of Silicone Triple Flange Eartips
- 2 Cable Management Clips
- 1 Alligator Clip
3. Коопсуздук боюнча маанилүү маалымат
The ISOtunes PRO 3.0 earbuds are designed for hearing protection. Adhere to all safety guidelines to ensure proper function and personal safety.
- OSHA шайкештиги: These earbuds are OSHA approved and feature an ANSI-certified Noise Reduction Rating (NRR) of 27 dB. The SafeMax volume limit is set to 85dB to protect against hearing damage.
- Туура ылайыктуу: Achieving the stated NRR requires a proper seal. Refer to the eartip selection and insertion guide for optimal fit.
- Экологиялык маалымдуулук: While providing hearing protection, always remain aware of your surroundings, especially in hazardous environments.

Image 3.1: A diagram illustrating the correct method for rolling and inserting foam eartips into the ear canal, alongside a chart detailing various noise levels and their potential for hearing damage.
4. Продукциянын өзгөчөлүктөрү
The ISOtunes PRO 3.0 offers a range of features designed for demanding work environments:

Image 4.1: A graphic summarizing the key features: OSHA compliance, Bluetooth 5.4 with LE Audio and Auracast, 27 dB NRR, IP67 dust/sweat/waterproof rating, up to 20-hour battery life, and military-spec drop test durability.
- Сертификатталган угууну коргоо: ANSI-certified 27 dB NRR and SafeMax 85dB volume limit.
- Туруктуу курулуш: IP67 dust and waterproof rating, tested to military drop & shock standards (MIL-STD 810H), aramid-reinforced cables.
- Узартылган батареянын иштөө мөөнөтү: Up to 20 hours of use on a single charge, with USB-C fast charging.
- Жогорку сапаттагы аудио: Custom-tuned full-range dynamic drivers for clear sound.
- Өркүндөтүлгөн байланыш: Bluetooth 5.4 with Low Energy (LE) Audio and Auracast support, dual pairing, and 2-way radio compatibility.

Image 4.2: Demonstrates the versatility of the ISOtunes PRO 3.0 earbuds in different work environments such as outdoor power equipment operation, manufacturing, woodworking, and construction.
5. Орнотуу колдонмосу
5.1 Кулакчындарды кубаттоо
Before first use, fully charge your ISOtunes PRO 3.0 earbuds.
- Locate the USB-C charging port on the inline control panel.
- Connect the provided USB-C cable to the port and the other end to a compatible USB power source.
- The LED indicator on the control panel will show charging status. A full charge takes approximately 1.5-2 hours. A 10-minute quick charge provides approximately 2 hours of listening time.
5.2 Eartip Selection and Insertion
Proper eartip selection and insertion are crucial for optimal hearing protection and sound quality.
- Туура өлчөмдү тандаңыз: Experiment with the included Trilogy™ foam eartips (XS, S, M, L) and silicone triple flange eartips to find the size that provides a snug, comfortable fit and a good seal in your ear canal.
- Foam Eartip Insertion: Roll the foam eartip into a tight, creaseless cylinder. Insert the compressed eartip into your ear canal and hold it in place for 5-10 seconds while it expands to create a seal.
- Silicone Eartip Insertion: Gently push the silicone eartip into your ear canal until it forms a comfortable seal.
5.3 Bluetooth жупташтыруу
To connect your ISOtunes PRO 3.0 to a Bluetooth-enabled device:
- Кулакчындардын өчүрүлгөнүн текшериңиз.
- Press and hold the multi-function button on the control panel until the LED indicator flashes blue and red, indicating pairing mode.
- Түзмөгүңүздө Bluetooth иштетиңиз жана жеткиликтүү түзмөктөрдү издеңиз.
- Select "ISOtunes PRO 3.0" from the list.
- Туташтырылгандан кийин, LED индикатору мезгил-мезгили менен көк түстө күйүп-өчөт.
6. Operating Your ISOtunes PRO 3.0

Сүрөт 6.1: деталдуу view of the ISOtunes PRO 3.0 earbuds and the inline control panel, showing the buttons for power, volume, and multi-function.
6.1 Күйгүзүү/өчүрүү
- Күйгүзүү: Press and hold the multi-function button for 3 seconds. The LED will flash blue.
- Өчүрүү: Press and hold the multi-function button for 5 seconds. The LED will flash red and then turn off.
6.2 Чалууларды башкаруу
- Чалууга жооп берүү/аяктоо: Көп функциялуу баскычты бир жолу басыңыз.
- Чакырууну четке кагуу: Көп функциялуу баскычты 2 секунд басып туруңуз.
- Үн жардамчысы: Double-press the multi-function button to activate your device's voice assistant.
6.3 Музыканы ойнотуу
- Ойнотуу/тындыруу: Көп функциялуу баскычты бир жолу басыңыз.
- Кийинки трек: Press the volume up (+) button for 2 seconds.
- Мурунку трек: Press the volume down (-) button for 2 seconds.
6.4 Үндү башкаруу
- Көлөмүн жогорулатуу: Үнүн жогорулатуу (+) баскычын басыңыз.
- Көлөмдү азайтуу: Үндү азайтуу (-) баскычын басыңыз.
6.5 Dual Pairing and 2-Way Radio Compatibility
The PRO 3.0 supports dual pairing, allowing connection to two Bluetooth devices simultaneously. It also offers compatibility with 2-way radios for enhanced communication in professional settings. Refer to your 2-way radio's manual for specific pairing instructions.
7. Кароо жана тейлөө
- Тазалоо: Regularly clean eartips with a damp cloth. For foam eartips, replace them when they become dirty or lose their elasticity. The earbuds themselves can be wiped with a soft, dry cloth. Do not use harsh chemicals.
- Сактагыч: Store the earbuds in the provided carrying case when not in use to protect them from dust, moisture, and physical damage.
- Суу таасири: While IP67 rated, avoid prolonged submersion. Ensure the USB-C port cover is securely closed before exposure to water or dust.
8. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Кулакчындар күйбөйт | Батарея аз | Charge the earbuds using the USB-C cable. |
| Түзмөк менен жупташтыруу мүмкүн эмес | Earbuds not in pairing mode; Device Bluetooth off; Out of range | Ensure earbuds are in pairing mode (flashing blue/red). Turn on device Bluetooth. Move device closer to earbuds. |
| Үн сапаты начар же үнү төмөн | Improper eartip fit; Low battery; Source audio quality | Adjust eartips for a secure seal. Charge earbuds. Check audio source quality. |
| үзгүлтүктүү байланыш | Тоскоолдук; Аралыктан тышкары; Батареянын кубаты аз | Move away from other wireless devices. Reduce distance to paired device. Charge earbuds. |
9. Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Модель аты | PRO 3.0 |
| Элемент моделинин номери | IT-21B |
| Ызы-чууну азайтуу рейтинги (NRR) | 27 дБ |
| SafeMax Volume Limit | 85 дБ |
| Bluetooth версиясы | 5.4 (with LE Audio & Auracast support) |
| Батареянын иштөө мөөнөтү | 20 саатка чейин |
| Заряддоо убактысы | Approx. 1.5-2 hours (10 min quick charge for 2 hours use) |
| Заряддоо порту | USB-C |
| Сууга туруктуулук деңгээли | IP67 (Dust, Sweat, and Waterproof) |
| Бышыктык стандарты | MIL-STD 810H (Military Drop & Shock) |
| Жыштык диапазону | 20 Гц - 20 000 Гц |
| Импеданс | 32 Ом |
| Элемент Салмагы | 8.1 унция |
| Продукциянын өлчөмдөрү | 4.75 x 4.5 x 2.25 дюйм |
| UPC | 850045924232 |
10. Кепилдик жана Кардарларды колдоо
ISOtunes products are backed by a manufacturer's warranty. For specific warranty details, registration, or to contact customer support, please visit the official ISOtunes website or refer to the warranty card included in your product packaging. You may also reach out to the seller directly for assistance.