The item is a virtual aluminum alloy housed portable laser projection keyboard with built-in rechargeable power bank￡? it will unprecedentedly bring you a comfortable advanced text input experience. <br><br><strong>Features:</strong> <br>Integrating version 3.0 blue tooth laser keyboard and 5200mAh power bank￡? much more easier for working and going out￡? can concurrently charge your phones tablets with USB output and typing words on the go. <br>Supporting blue tooth HID and USB HID￡? can be compatible undoubtedly for Microsoft OS iOS4/5/6 Mac OS X Android devices. <br>For QWERTY the familiar keyboard layout is convenient and rapid typing choice. <br>Bring you a totally brand new inputting text experience without wired keyboard by your side. <br>Indicator lights will show you the charging status so as to better manage your power￡? serving you with optimized charging experience. <br>Portable for convenience and mobility￡? perfect for on-the-go. <br><br><strong>Specifications:</strong> <br>Color: Silver <br>Material: Aluminum alloy <br>Output Voltage / Current: 5V / 2.4A <br>Input Voltage / Current: 5V / 2.0A <br>Keyboard Light Source: Red laser diode <br>Keyboard Layout: 19mm incline￡? full-sized QWERTY layout <br>Projection Size: 100mm(H) * 250mm(w) <br>Projected Keyboard Location: Approx. 100mm from keyboard device <br>Required Projection Surface: Non-reflective￡? opaque flat surface <br>Detection Rate: Over 350 characters per minute <br>Operation Surface: Any opaque flat surface <br>External Power Source: USB ports￡? 5V1A <br>Battery Capacity: Polymer rechargeable battery￡? 5200mAh(MAX) / 3.7V <br>Battery Working Time: 30 hours <br>Battery Charging Time: 3 hours <br>USB Interface: USB 2.0￡? USB HID Ver. 1.0 <br>Bluetooth: V3.0(CLASS 2)￡? HID Profile 1.0 <br>Frequency Rating: 2402-2480MHz <br>Channel: 79 <br>Modulation: GFSK <br>Item Size: Approx.8.6 * 5.9 * 2.2cm / 3.39 * 2.32 * 0.87in <br>Item Weight: Approx.178g / 6.28oz <br>Package Size: Approx.12.4 * 9.7 * 3.8cm / 4.88 * 3.82 * 1.50in <br>Package Weight: Approx.277g / 9.77oz <br><br><strong>Note:</strong><br>The connection between the bluetooth keyboard and other devices are one-to-one connection and must be the cellphone original input method to type in￡? with two hands handling over the projection area without touching the keyboard surface and one hand no restriction. <br><br><strong>Package List:</strong> <br>1 * Virtual Laser Keyboard Mobile Power <br>1 * USB Charging Cable <br>1 * User Manual(English)