Features:
Adjustable headband for comfort and secure fit 3.5mm plug and 5 ft. cord Deep base response, compatible with MP3, MP4, PC,PCD,DVD,most smartphone
Specification:
Driver diameter: 40mm
Impedance: 32?+/-15%
Sensitivity: 103dB +/-3dB
Frequency range: 20-20KHz
Plug type: 3.5mm
Cord length: 1.5m+/-10%

• HIFI Strong Low Bass Speaker. Excellent Three Frequency Resolution. Perfect Sound Effect
• High flexibility and ergonomic adjustable leather headband, together with foldable design, offer maximum portability.
• High Tenacity Eco-friendly Plastic Outer Shell. Advanced-braised Nylon Wire
• Built-in microphone for hands-free phone calling and picks up voice without talking directly into it.
• Compatible with MP3, MP4, PC, laptops, most phones, etc with 3.7mm interface.