X-MINI Capsule Speaker. RMS rated power: 2.35 W, Frequency range: 100 - 20000 Hz, Impedance: 8 Ом. Speaker interface type: USB, Headphone connectivity: 3.5 mm. Weight: 50 g. Battery life (max): 8 h. Type: Portable speakers, Dimensions (WxDxH): 5.2 x 5.2 x 3.2 mm, Audio output channels: 2.0