The Beolit 20 portable Bluetooth speaker in gray features Bang & Olufsen Signature Sound, up to 8 hours of playtime on a single charge, rechargeable battery, 5W Qi charging with compatible devises on the top tray and easy pairing with other Beolit speakers for stereo sound. It has a 3 x 1.5” full-range speaker, 1 x 5.5” long-stroke wideband woofer and an anodized polymer base and leather strap design.