X-Mini UNO XAM14-R Portable Capsule Speaker, Mono, Red Color: Red Specification: Speaker: Magnetically Shielded 40mm (3.6ohms) Loudspeaker Output: 2.5W Frequency Response: 150Hz - 20kHz Distortion: Signal to Noise Ratio (SNR): >= 82 dB Playback Time (up to): From 8 to 20 hours Dimensions: 60.0mm x 47.5mm (Closed Resonator) Weight: 112g