DESCRIPTION

Adjusting virtual keyboard brightness and volume switch
FN + ↑ Increase the keyboard brightness
FN + ↓ Lower the keyboard brightness
FN + ← Increase the keyboard sounds
FN + → Lower the keyboard sounds
FN+P Switch on/off key Beep sound
FN+K Power on/off voice speaker(only letters and part function keys) 

Product Overview
1: Compact and ultra-portable for mobility
2: English QWERTY keyboard layout
3: Easy connection via Bluetooth 3.0 HID profile or USB
4: Lithium-ion Polymer rechargeable battery, Mini-B Type charge interface
5: 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
Pattern Projector
Keyboard light source: Red laser diode
Keyboard layout: Approx.19mm incline, sized QWERTY layout
Projection size: 250mm(W)*110mm(H)
Package: 120*80*40mm
Keyboard location: Approx. 100mm from keyboard device
Required projection surface: Non-reflective, opaque flat surface

Electrical Characteristics
Recognition rate: Over 350 characters per minute
Operation Surface: Any opaque flat surface
Physical Dimension: 38mmx75mmx18mm
Weight: Approx. 47g
Power source: 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: SB 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

Environmental Conditions Working Temperature: Approx. -10-40°C
Storage Temperature: Approx. -20-40°C°C