HyperX’s Cloud III Wireless gaming headset with its marathon battery life is $20 off

The HyperX Cloud III Wireless gaming headset just came out in the summer, but it hasn’t gone on sale at all until very recently. The wireless headset for PC, PlayStation, and the Nintendo Switch is selling for $149.99 ($20 off) at Amazon and direct from HyperX. It may look a lot like the last-gen model, but the Cloud III Wireless has made some huge gains in the battery life department. It offers up to 120 hours of use with its 2.4GHz wireless dongle — a dongle, mind you, that also has…