I got these on sale in my home town. I was just after breaking my wired ones. So I wanted to try wireless. The sound on these is good, however it not good when using the 2.4 Radio Adapter that comes with them. Matter a fact for gaming, it gets on my nerves to have to hear the cracking sounds.
Lite, Wireless, Bluetooth (Logitech doesn't list it but it does have it, tho it not really supported; eg mic doesn't work but sound does on Bluetooth, Controls on side (Mic Button, Vol Buttons on blue ring, Storage Port for it Mini Adapter, Long Life for Battery
Bad sound with Logitech 2.4 Radio Adapter; Bluetooth is limited to sound (most likely why Logitech doesn't list it as a feature at all; but it is there; Bluetooth doesn't work with all Bluetooth adapters (ASUS BT400 will work for sound; Cost