The RHEA headphone offers a deep, rich bass and crystal-clear sound.  Designed to reduce outside noise by 85%, you can enjoy your favorite music recordings without the disturbance of noise.

• Acoustic Driver : 40mm
• Impedance : 32 Ω
• Sensitivity : 93 ± 4dB
• Cord : 4 ft. Detachable Audio Cable
• Plug : 3.5mm Stereo Gold-Plated
• Power Source : AAA * 1 Battery
• Operating Time : 20 hrs for ANC 

• Advanced electronics cancel up to 85% of background noise
• Flight & 6.3 mm audio adaptor (optional)
• Carrying case (optional)