Rechargeable Battery Upgrade (for Mason Jar Speaker KIT v3)
This item is currently out of stock. Pre-order this item now and it will ship on Dec 18, 2015 – just in time for Christmas!
Instead of burning through AAA batteries (comes standard with Mason Jar Speaker KIT), grab this Rechargeable Battery Upgrade! Comes with Rechargeable Battery Pack (charges via USB), wooden mount, and instruction card.