The small and very portable sandwich sized Bluetooth speaker JBL Go2 is one sale for just $24 in March: https://www.amazon.com/JBL-Waterproof-Portable-Bluetooth-Speaker It can be used as a speaker for any device that has either Bluetooth or an audio jack, such as a tablet PC or a smartphone. Fitting a tablet with large and powerful magnets typically used in powerful speakers can pose a problem for the other hardware inside a tablet … more…