The Eris HD10BT is a professional studio headphone
featuring powerful 40 mm drivers; balanced frequency response from 20Hz - 20kHz; wired or wireless Bluetooth® connectivity options; Active Noise Canceling; superior acoustic isolation; a built-in mic with answer and redial control to take phone calls; plus a hard carrying case with adapters and all required connection and charging cables.
 
Features
Bluetooth 5.0 wireless for mobile use
Wired connectivity over 3.5mm cable with 1/4" adapter 
Active Noise Canceling (ANC) to reduce environmental noise
Closed-back over-ear design for isolation
Easy-to-use level and track navigation controls
40mm drivers for studio-quality sound reproduction
Single-button call functionality with built-in microphone
Up to 16 hours of continuous battery life
96 dB sensitivity (±3 dB)
Balanced frequency response (20 Hz to 20 kHz)
Micro-USB charging cable and hardshell carrying case included