MB - WorkFlow Bluetooth Headset w/ Noise Cancelling Microphone - Black

Features HD Music & Calls Environmental Noise-Cancelling Mic Supports Voice Controls Quick-Pairing Technology Dual-Device Connection Built-In Controls Adjustable Padded Headband Ultra-Fast Recharge Specifications Bluetooth: Bluetooth V5.3 Operation Frequency: 2.402-2.480GHz Operation Range: Up to 10 meters Music Time: About 60 hours (70% volume) Talking Time: About 35 hours (70% volume) Battery: 400mAh Lithium polymer Battery Charge Time: About 2hours Speaker Unit Diameter: 40mm Rated Impedance: 32Ω ± 15% Frequency Range: 50-50kHz Sensitivity: 113± 3dB Product Size: 193 * 157 * 54 mm Package Contents 1 x WorkFlow Bluetooth Headset by MyBat