High-fidelity sound with powerful bass and clear treble
Planck dynamic magnetic driver unit, 13mm large stroke driver with third-generation rare earth magnets for rich low-frequency performance
Independent dual acoustic chambers for master-level original sound reproduction
Ultra-clear call quality with HD silicon microphone and advanced call noise reduction technology (ENC)
Physical directional sound pickup for clear communication
Ergonomic design with soft skin-friendly silicone and metal memory wire for stable and comfortable fit
Flexible ear hooks balancing pressure and stability, compatible with various ear shapes
UV sterilization system in charging case to maintain ear health by killing bacteria after each use
Bluetooth 5.4 with 15m connection range
Polymer lithium battery
Physical buttons to reduce accidental touches
Real-time updated product ratings on JD.com with 100% positive reviews
Usage Scenarios:
Suitable for sports, outdoor activities, workplace, and daily life with open audio experience allowing awareness of surroundings without frequent removal
Note:
All data are tested under specific conditions by Ruoshui Shisha Acoustic Laboratory; actual performance may vary due to individual product differences, environment, and usage conditions. Please refer to actual usage for accuracy.
| Width | 10.0 |
| Height | 4.2 |
| NetWeight | 0.18 |
| Brand | Ruoshui Shisha () |
| Experience | 10 years focused on audio products |
| Market Presence |
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| Best quality choice for users in 80+ countries and 45 regions, with over 4 million units sold |
| Patents & Certifications | Brand patents and authoritative certifications demonstrating strength |
| Endorsement | Olympic swimming champion Dong Jie, gold medalist in 4×200m freestyle relay at Tokyo 2020 Olympics |
| Product Model | ROSESELSA Agate X |
| Long battery life | 8 hours per charge, total 42 hours with charging case |
| Weight | approximately 99.2g |