1. 电池和蓝牙4.0可以干什么？

Tethercell: Control Battery-Operated Devices from Your Smartphone or Tablet

Tethercell is a revolutionary battery controller that enables you to connect to and control AA-battery-operated devices from your iOS or Android device.

http://www.indiegogo.com/projects/tethercell-control-battery-operated-devices-from-your-smartphone-or-tablet

Standard AA battery beside Tethercell Adapter

2易灯，为您重新定义灯具

配置，即插即用，彩色LED节能灯泡，无线WI-FI网络控制，可通过多平台智能手机App远程控制。

http://www.igao7.com/tag/yeelight

http://www.yeelight.com/

易灯，为您重新定义灯具