1. Ifihan
This manual provides detailed instructions for the proper use, setup, and maintenance of your Monster Open Ear AC520 Wireless Headphones. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Image 1.1: The Monster Open Ear AC520 headphones and their charging case. The earbuds feature an open-ear design with a hook for secure placement, and the compact charging case is shown open, revealing the charging cradles.
2. Ohun ti o wa ninu Apoti
Nigbati o ba ṣii package rẹ, jọwọ rii daju pe gbogbo awọn paati wọnyi wa pẹlu:
- Monster Open Ear AC520 Headphones (1 pair)
- Ngba agbara (1)
- Okun Ngba agbara Iru-C (1)
- Afowoyi Olumulo (iwe-ipamọ yii)
3. Eto
3.1 Gbigba agbara akọkọ
Before first use, fully charge your Monster Open Ear AC520 headphones and charging case.
- Gbe awọn afikọti mejeeji sinu ọran gbigba agbara.
- So okun gbigba agbara Iru-C pọ si ibudo gbigba agbara lori ọran naa ati si orisun agbara USB.
- The indicator lights on the case will show charging status. A full charge typically takes approximately 2 hours.

Image 3.1: Illustration of the Monster Open Ear AC520 headphones charging. The image highlights the 24-hour total playtime, with 7 hours from a single earbud charge and additional charges from the case, and a 1-hour charging time for the earbuds.
Akiyesi: While the image indicates 1 hour charging time for earbuds, specifications state 2 hours for the overall charging process. For initial full charge, allow up to 2 hours for both case and earbuds.
3.2 Sisopọ Bluetooth
The Monster Open Ear AC520 headphones utilize Bluetooth 6.0 technology for a stable connection.
- Rii daju pe awọn agbekọri ti gba agbara ati gbe sinu apoti gbigba agbara.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by flashing lights (refer to LED indicator section for specific patterns, if available).
- Lori ẹrọ rẹ (foonuiyara, tabulẹti, kọmputa), mu Bluetooth ṣiṣẹ ki o wa awọn ẹrọ to wa.
- Yan "Aderubaniyan AC520" lati inu akojọ awọn ẹrọ ti a ri.
- Once connected, a voice prompt will confirm successful pairing, and the indicator lights will change (e.g., solid blue).

Image 3.2: Visual representation of the upgraded Bluetooth 6.0 technology in the Monster Open Ear AC520 headphones, highlighting benefits such as more stable connection, lower power consumption, lower latency, and longer transmission range.
3.3 Wọ Awọn Agbekọri
The open-ear design provides comfort and situational awareness.
- Ṣe idanimọ apa osi (L) ati ọtun (R) agbekọri.
- Gently hook each earbud over your ear, ensuring the speaker portion is positioned near your ear canal without entering it.
- Adjust for a secure and comfortable fit. The non-intrusive design is suitable for extended wear and compatible with glasses.

Image 3.3: A person wearing the Monster Open Ear AC520 headphones, demonstrating the comfortable, non-intrusive open-ear design that allows for situational awareness and compatibility with glasses.
4. Awọn ilana Iṣiṣẹ
The Monster Open Ear AC520 headphones feature intuitive touch controls.
4.1 Agbara Tan / Pa
- Agbara Tan: Open the charging case, or take the earbuds out of the case. They will automatically power on.
- Agbara Pa: Gbe awọn agbekọri naa pada sinu apoti gbigba agbara ki o pa ideri naa. Wọn yoo pa ina laifọwọyi ati bẹrẹ gbigba agbara.
4.2 Sisisẹsẹhin Orin
- Ṣiṣẹ/Daduro: Fọwọ ba ẹyọkan lori boya agbekọri.
- Orin t’okan: Fọwọ ba agbekọri ọtun lẹẹmeji.
- Tẹlẹ Orin: Fọwọ ba agbekọri osi lẹẹmeji.

Aworan 4.1: exploded view diagram of the Monster Open Ear AC520 earbud, showcasing its internal components including a 14.5mm speaker for dynamic audio and an acoustic cavity structure, contributing to the "Pure Monster Sound".
4.3 ipe Management
The ENC (Environmental Noise Cancellation) feature ensures clear calls.
- Idahun/Ipe Ipari: Fọwọ ba ẹyọkan lori boya agbekọri.
- Kọ Ipe: Tẹ mọlẹ boya agbekọri fun iṣẹju 2.
- Mu Oluranlọwọ Ohun ṣiṣẹ: Triple tap on either earbud (functionality depends on your connected device).

Image 4.2: A visual representation of the AI noise reduction algorithm for "Crystal Clear Calls" on the Monster Open Ear AC520, showing a comparison of sound waves "Before" and "After" noise reduction.
4.4 Iṣakoso iwọn didun
Specific touch controls for volume are not detailed in the product information. Volume control is typically managed directly from your connected device.
4.5 Lanyard Feature
The charging case features a unique handbag design with a removable lanyard for versatile carrying options.

Image 4.3: A person wearing the Monster Open Ear AC520 headphones, with the charging case attached to a removable lanyard, demonstrating the "Chic Design with Choice" and versatile carrying options.
5. Itọju
5.1 Ninu
Lati ṣetọju iṣẹ ṣiṣe to dara julọ ati mimọ:
- Pa awọn afikọti ati apoti gbigba agbara kuro pẹlu asọ ti o gbẹ, asọ ti ko ni lint.
- Maṣe lo awọn afọmọ abrasive, ọti-lile, tabi awọn nkan ti kemikali.
- Rii daju pe awọn olubasọrọ gbigba agbara jẹ mimọ ati laisi idoti.
5.2 Omi Resistance (IPX6)
The Monster Open Ear AC520 headphones are rated IPX6 water resistant, meaning they can withstand powerful water jets. This makes them suitable for workouts and light rain.
- Ma ṣe fi awọn agbekọri sinu omi.
- Rii daju pe ibudo gbigba agbara ti gbẹ ṣaaju asopọ okun gbigba agbara.
- Agbara omi kii ṣe ipo ti o wa titilai o si le dinku nitori lilo deede.

Image 5.1: A person exercising while wearing the Monster Open Ear AC520 headphones, with an overlay indicating "IPX6 WATERPROOF" and the text "Keep sweat and light rain out of the earphones," illustrating their resistance to sweat and splashes.
5.3 Ibi ipamọ
When not in use, store the headphones in their charging case to protect them and ensure they remain charged.
6. Laasigbotitusita
If you encounter issues with your Monster Open Ear AC520 headphones, refer to the following common solutions:
| Isoro | Owun to le Solusan |
|---|---|
| Awọn agbekọri ko ṣiṣẹ | Ensure earbuds are charged. Place them in the charging case and connect the Type-C cable to charge. |
| Ko le ṣe alawẹ-meji pẹlu ẹrọ |
|
| Ko si ohun tabi iwọn didun kekere |
|
| Asopọmọra igba diẹ |
|
7. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Orukọ awoṣe | Ṣii Eti AC520 |
| Asopọmọra Technology | Ailokun (Bluetooth) |
| Ẹya Bluetooth | 6.0 (as per feature bullets and image, note: specifications list 5.4) |
| Bluetooth Ibiti | Titi de awọn mita 10 (33 ẹsẹ) |
| Audio Driver Type | Awakọ Yiyipo (agbohunsoke 14.5mm) |
| Igbesi aye batiri (Earbuds) | Titi di wakati 8 (agbara ẹyọkan) |
| Lapapọ akoko ere (pẹlu Ọran) | Titi di wakati 24 |
| Akoko gbigba agbara | Approx. 2 hours (for full charge of case and earbuds) |
| Omi Resistance Rating | IPX6 |
| Iṣakoso Iru | Iṣakoso ifọwọkan |
| Gbigbe Eti | Ṣii Eti |
| Ohun elo | Ṣiṣu |
| Iwọn | 7 iwon (Ìwúwo Nkan) |
| Pataki Awọn ẹya ara ẹrọ | Open Ear Design, Unique Handbag Design, ENC Clear Call, HiFi Sound |
8. atilẹyin ọja Information
Monster products are designed and manufactured to the highest quality standards. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your product or visit the official Monster webojula. Tọju iwe-ẹri rira rẹ bi ẹri rira fun awọn iṣeduro atilẹyin ọja.
Akiyesi: The product information provided does not include specific warranty duration or terms. Please consult the official Monster documentation or webAaye fun deede julọ ati eto imulo atilẹyin ọja to-ọjọ.
9. Atilẹyin
For further assistance, technical support, or customer service inquiries regarding your Monster Open Ear AC520 Wireless Headphones, please visit the official Monster support webojula tabi kan si wọn onibara iṣẹ Eka.
Ile itaja aderubaniyan osise: Itaja aderubaniyan on Amazon
Please have your product model number (AC520) and purchase details ready when contacting support.





