Portable Bluetooth Laser Keyboard Wireless Projection Keyboard Item | Description |
| Keyboard light source | Red laser diode |
| Keyboard layout | Approx.19mm incline, sized QWERTY layout |
| Projection size | 245mm(W)*110mm(H) |
| Keyboard location | Approx. 100mm from keyboard device |
| Required projection surface | Non-reflective, opaque flat surface |
| Recognition rate | Over 350 characters per minute |
| Operation Surface | Any opaque flat surface |
| Working Temperature | Approx. -10~40°C/90%RH90%RH90%RH |
| Storage Temperature | Approx. -20~40°C°C/~90%RH;C/~90%RH;C/~90%RH |
| Physical Dimension | 38mmx75mmx18mm |
| weight | Approx. 60g |
| Output | The USB power, Lower 1A @ 5V |
| Battery capacity: | Polymer rechargeable battery,1000mAH(Max)@3.7V |
| Battery working time | 120 minutes |
| Battery charging time | 200 minutes |
| 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 |
Portable Bluetooth Laser Keyboard Wireless Projection Keyboard