for Smart Phone Virtual Bluetooth Laser Keyboard with Power Bank 2 in 1

1. Superior portability, small size
2. QWERTY designed, quikly and correctly input
3. Support bluetooth and USB interface

Specifications:

Hysical Dimension: 38mmx18mmx75mm
Weight: Approx. 47g
Keyboard light source: Red laser diode
Keyboard language: English
Keyboard layout: 19mm sized QWERTY layout
Projection size: Approx. 100mm(H)*240mm(W)
Projected Keyboard location: Approx. 97.9mm from keyboard device
Keystroke Sound: Built in buzzer(Mute on/off the sound)
Visibility: Good contrast up to 1800 lux ambient illumination
Detection rate: Over 400 characters per minute
Detection algorithm: Multiple key stroke support
Effective key stroke: Approx. 2mm
Required projection surface: Non-reflective, opaque flat surface
Power source: The USB bus power
Lithium-ion battery power
The DC input power
Battery capacity: 700mAh(Max) 3.7V Replaceable soft-pack type
Charger: Rating 1000mA @ 5V
Interface: USB 1.1 and 2.0 for PC
Bluetooth(V2.0 class 2, class 3 )HID for Mobile devices
Switch mode: Switch the active/Standby mode manually
Power consumption: Max. 2.4W 4.2V
Use temperature: Approx. 0~50° C
Storage temperature: Approx. -20~50° C
Software compatibility:
All USB HID Compliant OS, All Bluetooth HID Compliant Mobile Device, Windows XP/WINDOWS 7 or Higher, LINUX, iPad, iPhone, Android 2.2 or Highe

Package includes:

1. Bluetooth laser keyboard
2. USB cable
3. Manual

Notice:

1. Avoid exposure to direct sunlight, kepp out of heat source
2. Temperature changing during using may cause failure
3. Strong impact will cause this product can not be repaired
4. In order to confirm the safety and prevent damage, please use the dedicated USB cables
5. Do not disassemble or repair the product
6. Do not put things between the Laser emission point and keyboard
7. Please use the bluetooth laser keyboard in the flat surface.