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| Product | Livescribe Pulse Smartpen (2GB) | Livescribe Sky WiFi Smartpen (voice recorder) | Livescribe Echo (8GB) | Sony Walkman NWZ-E354BLK (digital player / radio) | COBY MP 620 (digital player / radio) |
| Price | $199.98 | $166.58 to $210.04 | $149.95 to $149.99 | $120.00 | $19.84 to $29.10 |
| CNET editors' rating | Info unavailable | Info unavailable | 3.5 stars | Info unavailable | Info unavailable |
| Average user rating | 3 stars | 0 stars | 2.5 stars | 4 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | July 19, 2010 | Info unavailable | Info unavailable |
| Bottom line | Info unavailable | Info unavailable | For students and professionals who ritually take, review, and share handwritten notes, the Echo smartpen does what all great technology should do: it makes life easier. | Info unavailable | Info unavailable |
| Flash memory installed | 2 GB | 4 GB | 8 GB | 8 GB | 4 GB |
| Flash memory form factor | Integrated | Info unavailable | Integrated | Integrated | Integrated |
| Dimensions (WxDxH) | 0.6 in x 6.1 in | 6.2 in | 0.8 in x 6.2 in | Info unavailable | 1.7 in x 0.4 in x 3.6 in |
| Resolution | 96 x 18 | 96 x 18 | 96 x 18 | 240 x 320 | 128 x 160 |
| Battery technology | Lithium ion | Lithium ion | Info unavailable | Lithium ion | Lithium polymer |
| PC interface(s) supported | Info unavailable | Wi-Fi USB | Hi-Speed USB | Hi-Speed USB | Hi-Speed USB |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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| Prices from 6 stores |