1 portable mini speaker; 2 headphone shape mini speaker; 3 foldable,turnable,and adjustable design. Unique Product Features: 1.Portable mini speaker;2.Self-adjutable and flexible headband ... can both work as a wired headphone and a wired speaker;4.With switches to adjust the volume: Volume Up ... on. Product Specifications:1.Out Speaker :40hm,2.0W, Φ36×14mm,110+/-3dB2.Inner Speaker:32 ohm,0.5W,Φ40mm , ...