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| Price | Pricing not available | Pricing not available | $74.95 to $199.00 | $19.99 to $39.99 | $121.75 to $182.43 |
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| The Bottom Line | It's an MP3 player. No wait...it's a speaker. Is it a robotic dancing egg? Actually, the Sony Rolly is all of those things. But mostly, it's just a pricey musical toy for gadget heads who have everything--including some cash to burn. | It's an MP3 player. No wait...it's a speaker. Is it a robotic dancing egg? Actually, the Sony Rolly is all of those things. But mostly, it's just a pricey musical toy for gadget heads who have everything--including some cash to burn. | |||
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| Features | |||||
| PC interface(s) supported | Bluetooth Hi-Speed USB | Bluetooth Hi-Speed USB | USB | Hi-Speed USB | Hi-Speed USB |
| Flash memory installed | 2 GB | 2 GB | 8 GB | 2 GB | 2 GB |
| Flash memory form factor | Integrated | Integrated | Integrated | Integrated | Integrated |
| Dimensions (WxDxH) | x4.1 in x 2.6 in x 2.6 in | x4.1 in x 2.6 in x 2.6 in | x1.6 in x 0.4 in x 3.9 in | x1.7 in x 0.4 in x 3.6 in | x1.3 in x 0.6 in x 5.4 in |
| Weight | 10.6 oz | 10.6 oz | 1.8 oz | Info unavailable | 2.4 oz |
| Battery technology | Lithium ion | Lithium ion | Nickel metal hydride | Lithium polymer | Alkaline |
| Mfr estimated battery life | 5 hour(s) | 5 hour(s) | Info unavailable | Info unavailable | 25 hour(s) |
| Software type | Sony Rolly Choregrapher 1.0 | Sony Rolly Choregrapher 1.0 | Info unavailable | Info unavailable | Sound Organizer |
| Resolution | Info unavailable | Info unavailable | Info unavailable | 128 x 160 | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Pricing not available | Pricing not available | | | |
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Sony Rolly compare (2GB, white)
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