DSI Bluetooth Music Headphones with Hot Buttons Features: volume +/- buttons, multifunction btn. (answer/end calls, pair bluetooth devices), status indicator light, charging indicator light, power on/off switch, charging port, built-in microphone. Compatible with most Bluetooth Phones and MP3 players. Get our Bluetooth Stereo Adapter to use with your iPod. Talk time: up to 15 hrs; Listening time: up to 12 hrs.; standby time: up to 400 hrs.; Operating range: up to 10 meters. Color scheme: white &amp; silver on dark grey. nside the box: bluetooth headphones, usb connector, instructions