There are no limits to where or when you can enjoy your favourite music with this portable wireless speaker from Sony. Entertain guests at a dinner party or chill out at home to your ideal soundtrack. The design is dustproof and waterproof, so its ideal for camping or trips to the beach or pool. With a handy strap, it will always be by your side. Once the speaker is fully charged, you can enjoy up to 16 hours of continuous playback. Plus, the ULT button delivers boosted bass and increased sound pressure for ultimate audio power. Available in black, the SRSULT10B is the ideal accessory for all your party occasions.