Portable Skeleton Skull Bluetooth Wireless Speaker 15W BT4.0 FM Radio Halloween Wireless Speaker Features: 1). 100% brand new and high quality. 2). high definition sound Compact and portable convenient to carry 3). Smartphone compatible(bluetooth or line-in 3.5mm) 4). Compatible with player or any other audio source through Libe-in 3.5mm 6). Bluetooth support profile: 4.0 7). Item Size: 3.5 x 2.6 x 2.9 inches 8). Net Weight: 600g Volume Button Operation: Please long press - button Volume Down; Short press - button Next Music; Please long press + button the Volume Up; Short press + button Last Music; Package included: 1 x Skull Bluetooth Speaker 1 x USB Cable