Wireless headphones with microphone (2,4GHz), conveninet for Skype communication, internet radio listening or computer music playing with scrolling option to previous or next song, pause-play function, volume controll. 100% compatibile with Windows Media Player. Includes USB reciever with charger, reciever with integrated microphone and controll buttons, stereo headphones and transporting case. Battery life approximetely 4 hours. Charging through reciever with USB connecting to PC. Reach of 10 m.