The Promate Serene Hybrid ANC Over-Ear Wireless Headphones bring cinematic acoustic landscapes directly onto your commute by embedding immersive 360° Spatial Audio with dynamic head tracking technology. Engineered around large, high-fidelity 40mm dynamic drivers, this premium system resolves complex musical compositions with massive bass dimensions and sharp vocal details. Designed specifically to minimize physical wearing fatigue, the over-ear frame features soft cushion components that comfortably seal out background chaos while preventing pressure buildup across lengthy usage intervals.

• Model No.: SERENE
• Warranty: 24 Months Warranty
• Wireless Architecture: Bluetooth 5.4
• Bluetooth Chipset: AC7018F8
• Transducer Dimensions: 40mm Dynamic Drivers
• Sound Space Tech: 360° Spatial Audio with Dynamic Head Tracking
• Acoustic Isolation: Hybrid Active Noise Cancellation (-35dB)
• System Impedance: 32Ω ±15%
• Frequency Spectrum: 20Hz–20kHz
• Signal-to-Noise Ratio (SNR): ≥98dB
• Microphone System: Built-in High Clarity Microphone
• Power Infrastructure: 400mAh × 2 Dual Lithium-Polymer Batteries
• Playtime (ANC Off): Up to 40 Hours
• Playtime (ANC On): Up to 28 Hours
• Charging Window: Approx. 3.5 Hours
• Standby Threshold: Up to 85 Hours
• Effective Signal Range: Up to 10 Meters
• Input Rating: 20mW / 0.7V

• Activating the immersive panoramic layer transforms common stereo channels into a realistic sound stage, positioning the Promate Serene Hybrid ANC Over-Ear Wireless Headphones as an exceptional asset for watching high-production films or playing open-world adventure games. 
• The dual 400mAh dual-battery array distributes internal energy safely and evenly to keep your music running continuously without requiring mid-day connections. 
• Built-in high-clarity microphone elements filter out static environmental frequencies to ensure clean vocal reproduction during professional corporate calls or virtual gaming chats.