Motorola S10-HD Bluetooth Stereo Headphones Black-White Bulk/Non-Retail Packaging Behind-the-head design eliminates tangles and provides a light, comfortable fit Up to 9 hours of talk time, 8 hours of music playback, and up to 240 hours (10 days) of standby time What's in the Box: Bluetooth headphones, wall charger Wireless Bluetooth stereo headphones for streaming audio from compatible mobile phones and MP3 playe