A4tech BH230

Wireless Headset A4tech BH230, 40 mm driver, 32 Ohm, 98db, 139g, 55h, Foldable, AINC Mic, Controls on ear cup, Leather Ear Pads, 400mAh, BT 5.3, Black. A4Tech/Fstyler Bluetooth v5.3 Wireless HeadsetAdvanced AI Noise Cancelling MicrophoneΦ40 mm High Performance Driver UnitLeather Padded Adjustable HeadbandOn Ear Soft Leather Ear PadsFlexible 270°Rotatable MicrophoneDouble Touch to Mute MicrophoneOn-the-Go Flat Foldable Lightweight DesignFunctional Control on HeadphoneExtended Playtime 55H + Speed Charge139g Super LightweightBest for Learning, Business, Conference, etc.Operating Range: Up to 10 m Built-in Battery: 400 mAh Lithium BatteryCharging Time: About 2 HrsFrequency Response: 20 Hz - 20 kHzSensitivity: 98 dBImpedance: 32 ohmMicrophone:Frequency Response: 100 Hz - 10 kHz Sensitivity: -42 dBUSB Type-C Charging Cable: 30 cmColor: Black