Use the HEOS Go Pack to transform the HEOS 1 to a portable Bluetooth speaker. This accessory pack for the HEOS 1 consists of a battery and waterproof attachment. You can attach the speaker to the battery with 1 twist, after which you can use it wirelessly for 6 hours. Attach the waterproof attachment to the speaker so the inputs won't be damaged by dust and water.
HEOS Go Pack Black