EFM Austin Pro Bluetooth Speaker - with LED Colour Glow Overview: The EFM Austin Pro Bluetooth Speaker with 10,000mAh Power Bank features the latest Bluetooth V5.0 and TWS technology allowing you to pair any two speakers from the Austin speaker range. Whether you've been asked to DJ a party, or want to share your music collection with people at a park or beach, you are going to need a good Bluetooth speaker. Built to power up a party, this ultra-powerful portable speaker is IPX7 Waterproof rated and boasts strong, deep bass with minimal noise distortion. Featuring a whopping 40W Driver Unit with Subwoofer, hands-free calling, wireless pairing and LED Glow effect, the EFM Austin allows you to bring the festival vibes whether you're at home or outdoors! With 8-10 hours of playing time and a built-in 10,000mAh battery pack, you can rock on whilst charging your device. We pride ourselves on offering crisp clear audio, deep bass, and immersive sound across our entire wireless speaker range by using premium components, material and experienced audio engineers to deliver products that are hard to ignore.