... fashion design;built in rechargeable lithium battery, USB powered;strong bass is good; DIY music,different material, ... ,same song,different feeling ,perfect sound effect. Item: HI.P New Vibration Speaker1. Small, simple, durable,portable ... , wall etc.3. Power supply:DC5V/USB Port powered, (built in high capacity rechargeable lithium battery)4. ... :222g8. Packing: Gift box Mini vibration speaker (HI.P)