The P311 works seamlessly with any gadget that supports Bluetooth technology such as mobile phones and notebooks. You can also use it with your PC by simply connecting it with ARCTIC"s USB-dongle of UD1 and UD2. With a range of up to 30 meters, this headset gives you full flexibility without disturbing people around you. The integrated lithium-ion battery lasts up to 20 hours of music playback before it needs to be recharged via USB.