Keyboard light source: Red laser diode Keyboard layout Approx.19mm incline, full-sized QWERTY layout; Projection size: 240mm(W) x 100mm(H); Projected Keyboard location: Approx. 100mm from keyboard device; Required projection surface: Non-reflective, opaque flat surface; Detection rate: Over 350 characters per minute; Operation Surface: Any opaque flat surface; Working Temperature: Approx. -10~40'C/90%RH; Storage Temperature: Approx. -20~40'C / 90%RH; Physical Dimension: 84mm x 22.5mm x 58mm; Weight: 180g; Input DC Charging Power: Above 2A @ 5~5.4V; External Power source: USB port, up to 2.1A @ 5V; Battery capacity: Polymer rechargeable battery, 5200mAh(Max)@3.7V; Battery working time: 30 hours; Battery charging time: 3 hours; USB interface: USB 1.1 and 2.0; USB HID Ver. 1.0; Bluetooth V3.0(class 2), HID Profile Ver. 1.0; Frequency Range: 2402~2480MHz; Channel: 79; Modulation: GFSK
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| General |
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| Brand | Atongm | | Model | L2 | | Color | Shimmer Silvery grey | | Material | Metal | | Quantity | 1Piece | | Specification |
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| Interface | USB 3.0 | | Wireless or Wired | Bluetooth | | Bluetooth Version | V3.0 | | Compatible Brand | APPLE , IBM , Asus , Thinkpad , Huawei , Google , Dell , HP , Toshiba , Acer , Lenovo , Samsung , MSI , Sony | | Tracking Method | N/A | | Back-lit | No | | Operation Distance | 1m | | Powered By | Built-in Battery | | Battery included or not | Yes | | Charging Time | 3Hour | | Waterproof | No | | Other Features |
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| Supports System | Win xp , IOS , Linux , Android 2.x , Android 4.x , Win 2000 , Win 2008 , Win vista , Win7 32 , Win7 64 , Win8 32 , Win8 64 , MAC OS X |
| Dimensions & Weight | | Dimensions | 3.31 in x 2.36 in x 0.79 in (8.4 cm x 6 cm x 2 cm) | | Weight | 6.28 oz (178 g) | | Packing List | | 1 x Keyboard | |
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