Control your music from your headphones with track and volume controls Lightweight design for all day listening Strong bass and dynamic audio from high quality 30mm speakers Works with Bluetooth enabled music players and mobile phones from all leading manufacturers Bluetooth Stereo Profile (A2DP) required. An adapter (sold separately) may be required for use with iPod/MP3 players, iPhone and PCs Bluetooth hands-free or Headset profile required for calls Up to 33ft of Wireless Range Up to 6.5 hours of Talk Time Up to 6 hours of Music Time Up to 4 days of Stand-by Time Includes: MOTOROKR S305 Bluetooth Stereo Headphones, MicroUSB Travel Charger, Getting Started Guide