Features for BlueBand R: - Listen to your music without wires - Pick up calls at the touch of a button - Remote control on headphone - Flexible foldaway design - Quality stereo sound - Adjustable volume - Padded headphones for comfort - Rechargeable battery - Works with compatible Bluetooth devices for making and receiving calls - Comes with BluePlayer software for listening to music in stereo on some models of Nokia phones Specifications for BlueBand R: - Bluetooth specification v1.2 class 2 - Supports Bluetooth Headset, Handsfree, A2DP and AVRCP profiles - Rechargeable 280 mAh li-polymer battery - Talk Time: up to 7.5 hours^ - Music Playing Time: up to 7.5 hours^ - Standby Time: up to 150 hours^ - Nominal charging time: 3 hours - Compatible i.Tech 110 ~ 240 Vac switching power chargerFeatures for BlueCON 35 II: - Bluetooth adapter attaches to your audio devices so you can listen to them wire-free - 3.5mm stereo plug connects to a wide range of equipment - Uncomplicated single button control - Pair with your i.Tech Bluetooth headset/headphone with a simple press of a button - New discreet design - Rechargeable battery - Compatible with i.Tech stereo headsets / headphones only Specifications for BlueCON 35 II: - Bluetooth speciification v1.2 class 2 - Supports Bluetooth A2DP profile - Rechargeable battery - charge from the mains - Audio Streaming Time: Up to 7 hours^