newegg offers the TekNmotion Air Capsule Bluetooth Portable Speaker
in Green (pictured), model no. TM-AIRCG, for $24.99
with free shipping
sells it for the same price via Prime.) That's the lowest total price we could find by $15. It features a rechargeable 400 mAh lithium-polymer battery with LED indicators, 40mm drivers, Bluetooth A2DP connectivity, 3.5mm auxiliary input, and more.
newegg also offers the Divoom Onbeat-X1 Bluetooth Portable Speaker in Black, model no. 000DIONB, or White, model no. 000DIONW, for $29.99 with free shipping. That's the lowest total price we could find by $10. It features a frequency response of 80kHz to 20kHz, 45mm driver, Bluetooth 3.0 A2DP connectivity, 3.5mm and more.