OLEAP Elite Product Key Features Learn more… Play Video Play Video Specifications Product Specifications Dual noise CancellationBluetooth Headset Noise Cancellation Parameter Up to 50dB Noise Cancellation in PickupUp to 30dB Noise Cancellation in Listening Length of Cable 1.5m Connection USB Type A / Bluetooth Control Wireless Audio Output Analog Sound Source Drive Unit Moving Coil Sound Production Principle Electric Microphone Electret Microphone Maximum Carrying Power 100mW Main Microphone Size Ø6mm*2.7mm Main Microphone Sensitivity -42dB Main Microphone Directivity Uni-directivity Sub-Microphone Size Ø6mm*2.7mm Sub-Microphone Sensitivity -42dB±1dB Sub-Microphone Directivity Omni-directivity Speaker Size Ø40mm Sound Pressure Level 108dB at 1KHz 179mV 10mm Impedance 32Ω Frequency Response Range 20Hz~20KHz Battery Capacity 400mAh Playback Duration(Bluetooth mode) >40 hours Call Duration (Bluetooth mode) >25 hours Charge Duration 1 hour (no less than 85% of power) Net Product Weight 252±2g Wire Material Pliable PVC Wire Anti-Pulling and bending OLEAP Elite and Accessories