Description
Oraimo OpenCirclet 2 Open-Ear Headphones
Market name OpenCirclet 2, model OPN-672. Open-ear listening with step tracking, dual-device Bluetooth, and IPX5 protection.
Comfort and fit
Built-in ø 0.6 mm memory steel wire with ultra-soft, skin-friendly silicone adapts to your ear contours for a secure ergonomic fit.
Open-ear bass boost
An 18×11 mm dynamic driver and air conduction work with an open-ear bass boost algorithm for deep bass and clear treble in stereo.
Exercise pedometer
A built-in exercise pedometer tracks steps in real time and monitors daily activity. This feature is off by default and must be enabled in the oraimo sound app.
Open-ear awareness
The open-ear design keeps you aware of surroundings during workouts and outdoor use.
HD voice calls
Two noise-canceling microphones filter background noise and reduce echoes for clearer calls during exercise.
IPX5 waterproof
IPX5 waterproofing and nano sweat-resistant coating suit workouts and outdoor use in varied weather.
Ear health
Open-ear wear allows better air circulation; the touch-free design supports hygienic listening.
Battery and charging
Up to 16 hours playtime on a full charge. Ten minutes of charging provides up to 6 hours of use. Charging port: Type-C. Full charge time: 1.5 hours.
Google pop-up fast pairing
Google pop-up notifications appear when OpenCirclet 2 is near supported devices for quick pairing. Compatible with Android 6.0+ devices that support Google Play services.
Game mode and dual connection
Bluetooth 5.4 supports low-latency game mode. Dual device connection lets you connect and switch between two Bluetooth devices, with automatic call prioritization.
oraimo sound app
Preset EQ options include Standard, HavyBass™, and Vocal, or customize bass, mids, and treble.
Specifications
| Bluetooth | V5.4 |
| Bluetooth range | 10 M |
| Playtime | Up to 16 hours |
| Waterproof | IPX5 |
| App | oraimo Sound |
What’s in the box
- Welcome Guide ×1
- Open-ear Bluetooth headphones ×1
- Type-C charging cable ×1





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