2015 New arrive virtual laser projector keyboard price with mouse speaker function for tablet and mobile phone

 Features:

1. full-sized keyboard

2. mouse function

3. bluetooth connection

4. truly portable design

5. built-in battery

6. compatible with latest devices

7. works on most opaque, flat surface

what is inside: device, usb cable & manual

specification:

keyboard layout: approx. 19mm pitch, QWERTY layout

keyboard size:  approx. width 240mm* height: 100mm

recognition rate: approx. up to 350 characters per minute

battery & capacity: 700 mah (max) @ 3.7v

bluetooth: v3.0, HID profile ver 1.0

size: 78*40*20mm

weight: 60g.