FEATURES: 1. This keyboard has been equipped with wireless Bluetooth mini speakers. You can use it as not only a wireless projected keyboard, but also a Bluetooth speaker for your iPhone 6, iPad, tablet, android smart phones, laptop and PC. However, please NOTE that its tone quality is NOT comparable with professional speaker because its voice cavity is limited! 2. We changed mini USB port to Micro USB port in order to be compatible with more USB cables. Even if you lost the USB cable we sent to you, you can easily to find too much compatible cable around you. 3. We upgraded the internal rechargeable battery from 600mAh to 1000mAh. It can work much longer. 4. This keyboard supports auto sleep mode. When you leave it alone for 8 seconds, it will shift to energy-saving mode automatically. The projected keyboard will dim off. To wake it up, just move your finger on the projected area.

• UPGRADED virtual laser projection keyboard: more stable and smarter; to enhance buyers usage experience, we change the mini USB port to micro USB port.
• MULTIFUNCTIONAL: this keyboard has been equipped with mini Bluetooth speakers, which support voice reporting and music playing
• LONGER WORKING TIME: We upgraded our battery from 600 mAh to 1000 mAh. It works longer!
• We use ORIGINAL LG rechargeable batteries, which is the safest rechargeable battery we can find for you!

UPGRADED virtual laser projection keyboard: more stable and smarter; to enhance buyers usage experience, we change the mini USB port to micro USB port.nobra