ACEFAST H9 ACTIVE NOISE CANCELLING WIRELESS HEADSET GREY

Product name: ACEFAST H9 wireless ANC headset. BT version: v5.4. Audio protocol: SBC / AAC. Transmission distance: 10m. Driver: 40mm, HiFi level. Frequency response: 20Hz-20kHz. Battery capacity: 500mAh, 3.7V. Input: DC5V⎓1A (USB-C). Charging time: 2.5 hours. Working time: 55 hours (ANC off), 45 hours (ANC on). Size: 177*78*200mm. Weight: 221g. Feature 1: 30dB ANC noise cancelling. Feature 2: Multifunctional knob for convenient intuitive control. Feature 3: On-ear earcups with protein leather and memory foam. Feature 4: Earcups rotate 90 degrees for ease of carrying. Feature 5: Adjustable headband. Feature 6: HD microphone.