Powerful sound, portable speaker Designed to be carried in one hand ULT button can boost the bass to deliver enhanced sound depth for your favourite tracks Shoulder strap (included) makes carrying the speaker easy Bluetooth compatible, meaning your favourite devices will seamlessly connect to this speaker Durable, adventure-ready design Waterproof, dustproof and shookproof, this speaker is built to last Up to 24 hours battery life keeps you going all day; 10 minutes quick charge gives you an extra 120 minutes of playtime