Portable USB Wireless Bluetooth Contact Projection Laser Virtual Keyboard

Model Number: gdl004 Brand Name: earteana Key Specifications/Special Features: Features:1. Compact and ultra-portable for mobility2. English QWERTY keyboard layout3. Easy connection via Bluetooth 2.0 HID profile or USB4. Lithium-ion polymer rechargeable battery, mini-B type charge interface5. Compatible with latest operating systems:
6. Windows XP/VISTA/7/8, Windows Phone 7, iOS4/5/6(iPhone and iPad) Android 3.1 higher, Mac OS X



Specification:

1. Keyboard light source: red laser diode

2. Keyboard layout: approx.19mm sized QWERTY layout

3. Projection size: approx 100mm (H)*240mm (W)

4. Projected keyboard location: approx 80mm from keyboard device

5. Required projection surface: non-reflective, opaque flat surface 6

. Recognition rate: over 350 characters per minute

7. Operation surface: any opaque flat surface

8. Working temperature: approx 0-35°C/90% RH

9.Storage temperature: approx -5-35°C/-90% RH

10. Charger: USB power/less than 5V 500mA

11. Battery capacity: polymer rechargeable battery, 600mAh (max)@3.7V

12. Battery working time: 150 min

13. Battery charging time: 90 min 1

4. USB interface: USB 1.1 and 2.0.USB HID version 1.0

15. Bluetooth: V3.0 (class2),HID profile version 1.0

16. Frequency range: 2402-2480MHz 1

7. Channel: 79

18. Modulation: GFSK

19. Keyboard language: English 2

0. Product size: 78mm*40mm*20mm

21. With mouse function, LED screen

22. Color: black/silver

Package contents: Bluetooth keyboard, USB cable, manual, Q.C. pass paper & colored box