Specifications
| Details |
| Model | ACEFAST H19 Open Wireless Headset |
| Connection Method & BT Version | Bluetooth v6.0 |
| Audio Codecs & Distance | SBC / AAC audio codecs; up to 10m transmission distance |
| Drivers & Performance | 50mm dynamic hollow drivers; Sensitivity: 97dB ± 3dB; Impedance: 32Ω; Rated power: 20mW; Frequency response: 20Hz - 20kHz |
| Microphone & Noise Cancellation | 1 x Omnidirectional high-definition microphone with ENC (Environmental Noise Cancellation) for clear voice communication |
| Battery Capacity & Life | 400mAh / 3.7V battery; Up to 55 hours of music playback (at 50% volume) and 30 hours of talk time (at 50% volume) |
| Charging | USB-C interface (DC 5V / 0.32A); 1.5 hours for a full charge; Fast charge: 10-minute charge provides 8 hours of music playback |
| Materials & Build | ABS and silicone construction with IPX4 water-resistance rating |
| Dimensions & Weight | • Dimensions: 200 x 175 x 95 mm
• Weight: 200g |
| Use | Outdoor sports, fitness training, office work, daily commuting, and crystal-clear calls while maintaining ambient environmental awareness |
