Under its B&O Play imprint, Bang & Olufsen has launched a new ultra-portable Bluetooth speaker, the A1. It features a disc-like aluminum build with a molded polymer base, and a leather strap for easy hanging. The aluminum cone mid-woofer and silk dome tweeter deliver 2 x 140 watts at peak power, and the battery life is rated at 24 hours. Charging is accomplished through a USB Type-C port. Retailing for $249 and available in natural or moss green, the A1 speaker is available now at beoplay.com.