Weight: 1.2 oz. / 32g Memory Type: Flash Memory Audio Formats: MP3 / WMA / AAC-LC / L-PCM Connection Type: USB Battery Type: Built-in Rechargeable Lithium-Ion Battery Battery Life(Audio Playback): MP3 @ 128kbps = 8 Hrs. WMA @ 128 kbps = 8 Hrs. AAC-LC @ 128 kbps = 7 Hrs. Linear PCM @ 1411 kbps = 7 Hrs. Recharge Time: USB-based: 1.5 Hrs (full charge), 3 Minutes (approx. 60 minutes playback) Additional Features: Water-resistant design holds up during intense workouts Drag & drop from iTunes (PC) or Windows Media Player Easy navigation of songs & folders Enjoy playlist compatibility (PC) & shuffle mode Crystal clear sound and deep bass ZAPPIN search plays about 4 or 15-second music clips