Lenses block 100% UV light - Special optics maintains clarity at all vision angles - Flip lenses up when dark - Lightweight frame material - Freely adjustable and telescoping speekers (270o rotatable) - Rechargeable Lithium battery provides 8-hour continual playing - Recharching time: 2 hours - Built-in bluetooth - 128MB, 256MB, 512MB and 1GB memory - Supports MP3 and WMA formats - A-B repeat - Weight: 55 g |