Promate Serene Over-Ear Wireless Headphones With 360° Spatial Audio, Hybrid ANC, Dynamic Head Tracking, Dual 400mAh Batteries, 40H Playback Time, Bluetooth 5.4 | Serene Black

Expert Features Immersive 360° Spatial Audio : Experience cinematic, multi-dimensional sound that surrounds you. Whether watching movies or listening to music, every detail is precisely positioned in your soundstage. Dynamic Head Tracking Technology : Move freely—your audio moves with you. Real-time motion tracking adjusts audio output to your head’s position, keeping sound directionally accurate for total immersion. Advanced Hybrid Active Noise Cancellation (ANC) : Block out distractions with up to -35dB of intelligent noise suppression. Perfect for travel, open offices, or focused work environments. High-Fidelity Audio Drivers : Custom-tuned 40mm drivers deliver rich bass, clear mids, and pristine highs. With a signal-to-noise ratio of ≥98dB, every note is crisp and detailed. Crystal-Clear Built-In Microphone : Engineered for clarity, the mic captures your voice with minimal distortion—ideal for calls, virtual meetings, and gaming chats. Up to 40 Hours Playback Time : Stay powered for days. Enjoy 40 hours of wireless listening (28 hours with ANC on) backed by dual high-capacity 400mAh Li-polymer batteries. Bluetooth 5.4 Connectivity : Cutting-edge Bluetooth 5.4 ensures a stable connection up to 10 meters, with support for A2DP, HFP, HSP, and AVRCP profiles. Comfort-Driven Design : Plush, high-density memory foam ear cushions and an ergonomic over-ear fit provide all-day comfort, ideal for extended sessions. Smart Control with Digital Crown : Navigate volume, skip tracks, or take calls easily using the intuitive digital crown—no fumbling with buttons. Quick Setup and Charging : Includes a 500mm USB charging cable. Fully recharges in 3.5 hours, so you’re never without your sound for long. Expert Specs Category Details Model Name Promate Serene Type Over-Ear Wireless Headphones Audio Technology 360° Spatial Audio, High-Fidelity Sound Noise Cancellation Hybrid ANC, up to -35dB Head Tracking Dynamic Real-Time Audio Adjustment Bluetooth Version V5.4 Supported Profiles A2DP, HFP, HSP, AVRCP Operating Range Up to 10 meters Battery Capacity 400mAh x 2 (Li-Polymer) Playback Time 40H (28H with ANC on) Standby Time 85 Hours Charging Time 3.5 Hours Speaker Driver Size 40mm Impedance 32Ω ±15% Frequency Response 20Hz – 20kHz Signal-to-Noise Ratio ≥98dB Microphone Frequency 50Hz – 20kHz Mic Sensitivity -32dB ±2dB Mic Impedance 2.2KΩ Charging Cable Length 500mm (USB) RF Output Power ≤9dBm Color Serene Black