| Batdescription1 | Removable Li-Ion 820 mAh battery |
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| Batsize Hl | 820 |
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| Batstandby1 | Up to 300 h |
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| Battalktime1 | Up to 5 h |
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| Battype Hl | Li-Ion |
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| Bluetooth | Yes |
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| Body Hl | 96g, 18.4mm thickness |
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| Bodyother | Dust and shock resistant |
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| Cam1features | LED flash |
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| Cam1modules | 1.3 MP |
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| Cam1video | Yes |
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| Cam2modules | No |
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| Camerapixels Hl | 1.3 |
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| Chipset Hl | |
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| Colors | Graphite Black, Steel Blue |
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| Dimensions | 105.3 x 47.5 x 18.4 mm (4.15 x 1.87 x 0.72 in) |
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| Displayres Hl | 132x176 pixels |
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| Displayresolution | 132 x 176 pixels, 4:3 ratio (~122 ppi density) |
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| Displaysize | 1.8 inches, 27 x 36 mm, 10.0 cm2 (~20.1% screen-to-body ratio) |
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| Displaysize Hl | 1.8" |
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| Displaytype | TFT, 256K colors |
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| Edge | Class 10 |
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| Featuresother | MP3/AAC player
Organizer
Voice memo
Predictive text input |
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| Gprstext | Class 10 |
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| Gps | No |
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| Internalmemory | 27MB |
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| Memoryslot | RS-MMC |
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| Modelname | BenQ-Siemens M81 |
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| Net2g | GSM 900 / 1800 / 1900 |
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| Nettech | GSM |
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| Os Hl | Feature phone |
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| Radio | No |
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| Released Hl | Released 2006, June |
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| Sensors | |
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| Sim | Mini-SIM |
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| Status | Discontinued |
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| Storage Hl | 27MB storage, RS-MMC slot |
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| Usb | 2.0 |
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| Videopixels Hl | Video recorder |
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| Weight | 96 g (3.39 oz) |
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| Wlan | No |
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| Year | 2006, June |
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