The range of the abilities granted by the Device increase to 70 feet.
When you use Aetherlight Beam (Repeater), you can spend 1 charge of Aether Flux to gain a +2 Bonus to the damage roll of the attack granted by that use of the ability.
When you use Aetherlight Barrage, you can spend 2 charges of Aether Flux to gain a +2 Bonus to the damage rolls of all of the attacks granted by that use of the ability.