Feb 03, 2022 · For a great, affordable, durable home smart speaker, you’ll be hard-pushed to find a product that can match JBL’s Link Portable. Specifications. Dimensions: HxWxD (cm): 17 x 8.8 x 8.8. Power: 20W. Features: waterproof, Bluetooth v4.2, Google Assistant built-in, Chromecast, AirPlay 2, music over wi-fi. Connections: 3.5 mm stereo.