Combining this versatile power bank w/our famous wireless speaker is a guaranteed crowd-pleaser. Your jam session will be powered all night long: Boxanne Wireless Speaker & Octoforce 2.0 8000mAh Wireless Power Bank. Boxanne Wireless Speaker: With incredible sound thanks to its built-in subwoofer, the pocket-sized Boxanne packs an enormous punch. Octoforce 2.0: Experience an effortless way to re-energize your devices w/an 8000mAh capacity premium lithium-ion battery. Complies with Prop 65.