ACEFAST H4 Wireless ANC Headphones (40mm Hi‑Fi Drivers, 55h Battery)

The ACEFAST H4 ANC Wireless Headset is designed for immersive listening and all-day comfort, combining powerful active noise cancellation with Hi-Fi sound and extra-long battery life for travel, work, and entertainment. Soft over-ear cushions with protein leather and memory foam, plus a lightweight adjustable headband and foldable earcups, provide a secure, comfortable fit that packs easily into a bag. Features: 30dB hybrid Active Noise Cancellation to reduce ambient noise and keep you focused on your music or calls. 40mm Hi-Fi dynamic drivers delivering rich, detailed sound with deep bass and crisp highs. Bluetooth 5.3 wireless connectivity for stable, low-latency audio on phones, tablets, and laptops. Up to 55 hours of playback with ANC off and 45 hours with ANC on for multi-day use between charges. Quick charge support: a 10-minute charge provides up to 2 hours of listening time. Over-the-ear earpads with protein leather and memory foam for long-wear comfort. Foldable earcups and adjustable headband for easy storage and a custom fit. IPX4 water resistance to protect against sweat and light rain. Specifications: Bluetooth Version: 5.3 Transmission Distance: Up to 10 m Driver Size: 40mm Hi-Fi dynamic drivers Frequency Response: 20Hz – 20kHz Impedance: 32 Ω ± 15% Sensitivity: 98 dB Battery Capacity: 500mAh / 1.85Wh Playback Time: Up to 55 hours (ANC off), 45 hours (ANC on) Charging Time: Approximately 2.5 hours Input: USB-C, DC5V ⎓ 0.5A Water Resistance: IPX4 Dimensions: 176 × 80 × 196 mm Weight: 225 g