Design: It features a woven fabric front and an integrated strap/velcro build that lets you wrap it around your arm or attach it to a bag or bicycle.Sound: It uses Oraimo's HavyBassTM algorithm to deliver deep and punchy sound from a compact size.Durability: It has an IP67 rating, making it resistant to dust, rain, and water splashes.Connectivity: It connects easily to phones and other devices using wireless Bluetooth and charges via a Type-C cable.