DECT spectrum wireless connectivity
In-call LED indicator light. Battery type-Lithium ion. Microphone type-Bi-directional ecm
On-boom mute button and mute indicator LED light. Frequency response: 150 Hz - 7kHz
Intuitive on-ear call controls. Operating voltage 1.4 to 5.0v dc
Long hours of wideband talk time. System Requirements: Windows Vista or higher,macOS 10.7 or higher,Linux,One USB 2.0 port
Comfortable double-ear binaural headset with enterprise-quality DECT spectrum wireless connectivity: will not interfere with wireless networks
Business-grade audio: Wideband Audio, Digital Signal Processing (DSP) and noise-cancelling boom mic for crystal-clear conversations
Broad UC compatibility: Optimized for Microsoft Lync, Cisco compatible and compatible with most leading UC platforms which ensures enterprise-quality audio and an integrated experience

Logitech H111 Wired Headset, Stereo Headphones with Noise Cancelling Microphone, 3.5 mm Audio Jack

Stereo Headphones with Rotating Noise-Cancelling Microphone, 3.5 mm Audio Jack, In-Line Controls

Bluetooth Version: v5.1
Bluetooth Profile: HSP, HFP, A2DP, AVRCP
Bluetooth Chipset: JL 6955
Bluetooth Frequency Range: 2402MHz-2480Mhz
Driver Diameter: 40mm
Impedance: 32Ω
Charging Time: 2-3 Hours
Playing Time: 8-10 Hours
Max TF Card Capacity: 32GB
Battery Capacity: 300mAh
Input: DC 5V,0.5A
Battery Type: Li-Polymer
Operating Distance: 10m
FM Frequency Range: 87.5-108MHz
microphone integrated

Experience Powerful Sound, Deep Bass Delivery
Wireless Freedom with Bluetooth 5.0, AUX Mode Flexibility
Wireless or Wired Mode, Extended 5 Hour Playtime
Isolate Your Listening Experience, Seamless Hands-Free Control, MicroSD Playback
Ergonomically Designed for Your Comfort, Adjustable Slider, Unmatched Call Quality
-microphone integrated