Cowon iaudio E2. Player media type: flash-media, Total storage capacity: 2 GB. Audio formats supported: FLAC, MP3, OGG, WAV, WMA. Frequency response: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 95 dB, Impedance: 16 Ом. Continuous audio playback time: 11.30 h, Battery technology: Lithium Polymer (LiPo), Battery recharge time: 1.5 h. Weight: 16.6 g, Depth: 7.7 mm, Height: 64.2 mm