Bluetooth 5.0 Technology: Enables hands-free calling and wireless music.Built-In Rechargeable Battery: Includes USB charging cord.Performance Tested to AS/NZS 1270 Class 5, 28dB: Medium to high noise applications.Deep Bass & Truly Stereo: Enhanced audio experience with rich sound quality.Infinite Playtime: Allows continuous usage through the 3.5mm audio port even on low battery.Premium Padded Headband & Ear Cushions: Comfortable and breathable for extended wear.Carry Case: For convenient storage and protection.