ACEFAST H19 Black Open Wireless Headset with 50mm Drivers, Bluetooth 6.0, Dual-Device Connection, Switchable Open/Closed Modes, 55-Hour Playback, USB-C Charging, ENC Microphone

EXPERT FEATURES Switchable Listening Modes : Use the headset open for more awareness of your surroundings, then attach the included noise-isolating plugs to switch to a more enclosed listening experience. Detailed Audio for Everyday Listening and Gaming : The 50mm dynamic hollow drivers are designed to deliver clear, balanced sound for music, calls, and games. Connect Two Devices : Pair with two devices and let the headset switch to the source receiving a call, so you can stay connected while listening. Clearer Calls : The omnidirectional HD microphone uses single-mic environmental noise cancellation to help reduce background noise during conversations. One-Knob Control : Adjust volume and manage music or calls with the multifunction knob on the headset. Long Listening Between Charges : The battery is rated for up to 55 hours of music playback at 50% volume, or up to 30 hours of talk time at 50% volume. Quick Top-Up : A 10-minute charge is specified to provide up to 8 hours of music playback. Low-Latency Game Mode : Activate the dedicated mode for reduced audio delay while gaming. EXPERT SPECS Specification Details Brand ACEFAST Model H19 Product type Open wireless headset Color Black Connection method Bluetooth Bluetooth version 6.0 Audio codecs SBC / AAC Transmission distance 10 m Driver 50 mm dynamic hollow driver Sensitivity 97 dB ± 3 dB Impedance 32 Ω Rated power 20 mW Frequency response 20 Hz–20 kHz Microphone 1 × omnidirectional high-definition microphone Noise cancellation ENC, single-microphone environmental noise cancellation Battery capacity 400 mAh, 3.7 V Charging input DC 5 V ⎓ 0.32 A, USB-C Charging time 1.5 hours Quick-charge playback 10-minute charge provides 8 hours of music playback Music playback time 55 hours at 50% volume Talk time 30 hours at 50% volume Materials ABS, silicone Dimensions 200 × 175 × 95 mm Weight 200 g Water-resistance rating IPX4 Certifications CE, RoHS, FCC, EAC, UKCA Included in the box Headset × 1; noise-isolating plugs × 2; USB-A to USB-C cable × 1; manual × 1