Yarvik PMP002. Player media type: flash-media, Total storage capacity: 2 GB. Audio formats supported: MP3, WMA. Headphone connectivity: 3.5 mm, Headphone frequency: 20 - 20000 Hz. RMS rated power: 0.6 W, Impedance: 32 Ом, Sensitivity: 110 dB. Battery technology: Lithium Polymer (LiPo), Battery capacity: 120 mAh, Battery recharge time: 4 h