open-ear audio

Cleer Audio's ARC series is built around comfort, clarity, and everyday versatility. Whether you are working through a full day, heading out for a run, commuting, or relaxing at home, ARC delivers an open-ear listening experience that fits naturally into modern life.

With the launch of ARC 4 and ARC 4+, the world's first THX Certified open-ear true wireless earbuds, this is the ideal time to understand why the ARC lineup has become a leading choice for open-ear audio.

What Makes Open-Ear Audio Different

Open-ear audio allows you to listen to music, calls, and podcasts without blocking your ears. This design keeps you aware of your surroundings while still delivering clear, immersive sound.

For daily use, open-ear listening offers a balance of awareness, comfort, and convenience. You can stay connected to your environment while enjoying audio throughout the day.

The Cleer ARC Series at a Glance

The ARC series includes multiple models, each designed to support different lifestyles and listening needs. From work and fitness to gaming and travel, there is an ARC model for every routine.

ARC (Original)

The original ARC introduced Cleer Audio's open-ear design philosophy. It focuses on comfort, stability, and everyday usability.

Key Features

  • Open-fit, ergonomic, and lightweight design

  • Stable Bluetooth connectivity

  • Up to 15 hours of listening time

  • Sweat-resistant construction

  • Ideal for office multitasking and casual daily use

ARC II and ARC II Sport

ARC II and ARC II Sport build on the original design with improved durability and fit. ARC II Sport is designed specifically for training and outdoor activities.

Key Features

  • Improved grip and stronger materials

  • USB-C fast charging

  • Multipoint Bluetooth for switching between devices

  • UV sterilization in the charging case for daily hygiene

ARC 3, ARC 3 Sport Pro, and ARC 3 Gaming Edition

ARC 3 introduces advanced audio technology and premium features while maintaining open-ear awareness.

ARC 3 Key Features

  • Dolby Atmos support

  • Snapdragon Sound

  • IPX7 water resistance

  • Long battery life with smart charging case

ARC 3 Sport Pro

Designed for active users, ARC 3 Sport Pro adds built-in health tracking.

  • Heart rate monitoring

  • Blood oxygen tracking

  • Fitness-focused performance insights

ARC 3 Gaming Edition

Built for gamers who need speed and immersion.

  • Ultra-low latency audio

  • Gaming-optimized performance

  • Visual design elements tailored for gaming setups

ARC 4 and ARC 4+: Next-Generation Open-Ear Audio

ARC 4 and ARC 4+ represent the next evolution of open-ear audio. These models combine refined industrial design with high-fidelity sound and certification-level performance.

ARC 4 Design and Performance

ARC 4 is thinner, lighter, and more ergonomic than previous models. A 16-degree driver angle positions the speaker closer to the ear canal, delivering richer sound with reduced leakage while preserving open-ear awareness.

Key improvements include:

  • Approximately 55 percent thinner earhook

  • About 10 percent lighter overall weight

  • Improved comfort for all-day wear

  • Scratch-resistant, anti-fingerprint coating

  • Enhanced resistance to sweat, oils, and cleaning wipes

ARC 4 delivers up to 32 hours of total playtime, with around 7 hours on the earbuds and up to 25 hours from the charging case. An IPX7 water-resistance rating supports daily use across work, fitness, and commuting.

ARC 4+ Advanced Audio and Intelligence

ARC 4+ builds on ARC 4 with enhanced immersion and intelligent features.

Key features include:

  • THX Certification for audio quality

  • Dolby Atmos optimization with head tracking

  • Snapdragon Sound support

  • Apple MFi certification for iOS integration

  • Physical on and off button for easier control

  • Extended total battery life of approximately 34 hours

  • Additional Pink color option alongside Black and White

ARC Series Comparison Table

Model Notable Features Water Resistance Battery Life (Buds / Case) Special Technology
ARC (Original) Open-fit design, 16.2 mm drivers IPX5 7 to 8 hrs / 30+ hrs Flexible earhook
ARC II / ARC II Sport UV case, aptX Adaptive, secure fit IPX5 8 hrs / 35 hrs Quick charge, enhanced stability
ARC 3 Dolby Atmos, Cleer+ EQ IPX7 10 hrs / 50 hrs Spatial audio, UV smart case
ARC 3 Sport Pro Heart rate and blood oxygen sensors IPX7 8 hrs / 40 hrs Fitness tracking
ARC 3 Gaming Edition Low-latency gaming audio IPX7 10 hrs / 50 hrs Gaming optimization
ARC 4 THX Certified, Dolby Audio IPX7 ~7 hrs / 25 hrs (32 hrs total) Hi-Res audio, Bluetooth 5.4
ARC 4+ Dolby Atmos with head tracking, MFi IPX7 ~9 hrs / 25 hrs (34 hrs total) Advanced spatial audio

Why Choose ARC for Everyday Use

ARC earbuds are designed to support modern routines that move between work, fitness, and personal time.

Stay Aware

Open-ear audio keeps you aware of your surroundings while enjoying music, calls, or podcasts. This makes ARC well suited for commuting, walking, cycling, and working from home.

All-Day Comfort

Each ARC model is lightweight and shaped for extended wear. Secure earhooks prevent fatigue during long meetings or extended listening sessions. ARC 4 improves comfort further with a thinner hook and refined fit.

Smart Controls and Personalization

Touch controls, voice assistant support, and custom EQ settings through the Cleer+ app allow easy personalization. ARC 4 and ARC 4+ add advanced multipoint management and detailed battery monitoring.

Built for Action

With IPX7 water resistance, UV sanitization, and fast charging, ARC earbuds are designed for daily use in a wide range of environments.

Performance for Every Lifestyle

Whether you need fitness tracking, immersive spatial audio, or low-latency gaming performance, the ARC lineup offers a model tailored to your needs.

The Future of Open-Ear Audio with ARC 4 and ARC 4+

ARC 4 and ARC 4+ introduce a new chapter in open-ear listening. These models combine refined comfort, advanced audio technology, and deeper device integration while maintaining the awareness and freedom that define open-ear audio.

Longtime ARC users will notice improved sound quality, expanded personalization through the Cleer+ app, and design updates inspired by athletic performance and all-day wear.

As ARC 4 and ARC 4+ expand to more regions and retail channels, additional updates and promotions will follow. Explore the future of open-ear audio and discover why more listeners choose ARC for comfort, clarity, and freedom.

Your world. Your soundtrack. Evolved.

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