... ,it beautifully works in office.Enjoy fun of wireless via an bluetooth dongle ,it works well with SKYPE,MSN,and ... Either the ear hook or the ear pulg.2). Support bluetooth headset,handfree profile3) .Redial the last call ,Reject call.4 ... ).2).USB Charging line.3).User guide. Special Bluetooth Headset only make for PS3 (GF-BTH-068B) (Bluetooth Headset/wireless bluetooth headset/mini bluetooth headset)