Motorola S10-HD Bluetooth Stereo Headphones NOVO Technical Details Wireless Bluetooth stereo headphones for streaming audio from compatible mobile phones and MP3 players Hydrophobic mesh, silicone seals and encased speakers provide sweat proof design Behind-the-head design eliminates tangles and provides a light, comfortable fit Try the 4 ear gel sizes included for an optimized fit and audio experience Up to 9 hours of talk time, 8 hours of music playback, and up to 240 hours (10 days) of standby time; released in September, 2010 What's in the Box: Bluetooth headphones, 4 sizes of ear gels, wall charger, operating instructions