Cardo S-2 Bluetooth Wireless Stereo Headphones Bluetooth wireless headphones with high fidelity stereo sound for superior audio performance Seamless switching between mobile phone and MP3 player Dedicated buttons allow handset and music control functions directly from the headset Ergonomically adjustable headband and pillow-soft ear cushions for superior fit and wearing comfort Compatible with stereo Bluetooth-capable mobile phones and MP3 players (requires embedded A2DP profile)