材质: 塑料
配一条USB充电线，不带插头，USB可连接充电宝、电脑USB口、手机充电器插头充电使用，跟手机充电原理一样，充电好就可以用！
material: plastic
With a USB charging cable, without plug, USB can be connected to charge Po, computer USB port, mobile phone charger plug charging use, with the principle of charging the same phone, you can use a good charge!