Monster AC210 Open Ear Headphones — True Wireless, 30h Playback, IPX5, Type-C, Touch Control

Meet the Monster AC210 Open Ear Headphones, a true wireless option that blends comfort with practical, everyday listening. The open back design lets sound breathe around your ears, creating a light, natural listening experience that stays comfortable through long sessions. This isn’t about isolation; it’s about clarity, comfort, and awareness as you move through your day.

Open Ear Comfort and Real-World Awareness

Designed to avoid in-ear pressure, the AC210 minimizes occlusion and pinching, making extended use more comfortable for many users. You can hear ambient cues and conversations while your music or podcast plays, a combination that works well for busy commutes, office tasks, or outdoor activities. The fit sits lightly behind the ear, helping you stay present in your surroundings without sacrificing audio engagement.

Whether you’re balancing calls with errands or enjoying a podcast during a workout, the open-ear approach aims to deliver a relaxed wearing experience with practical awareness for daily life.

Sound That Feels Close and True

The AC210 pairs dual 12 mm dynamic drivers with a tuned PI composite beryllium diaphragm to create a more three-dimensional sound stage. While the sound signature will depend on your source, the configuration is designed to render clear vocals, expressive highs, and present mids that bring music, podcasts, and calls to life. A 30 mW DAC support helps emphasize dynamics and detail, enabling a more engaging listening experience across genres.

• Open-back design for breathable, comfortable listening over longer sessions
• Dual 12 mm drivers and PI beryllium diaphragms for a lively, spatial feel
• 30 mW DAC-supported output for clearer detail and dynamics

Designed for Everyday Use

Battery life supports longer listening: up to 6 hours per charge, extending to 30 hours when used with the charging case. The Type-C charging keeps recharging straightforward, while the touch controls provide quick access to playback and calls without reaching for your device. A built-in microphone enables hands-free conversations when you’re on the move.

• Up to 6 hours per charge; up to 30 hours with the case
• IPX5 water resistance for sweat, rain, and gym use
• Type-C charging and intuitive touch controls for easy, on-the-go use

If you have questions, our team is ready to help. The AC210 is designed to fit into active, everyday routines with comfort, flexibility, and reliable wireless performance in mind.