LOONG Product Specifications:Size: 7.3x3.1x1.3cm/2.9x1.2x0.5inch.Color: white、blackBluetooth Version : V 3.0Wireless Distance : 2-10mOS : Android / IOS/PCCPU : ARM968E-S CoreBattery : Li-Battery 3.7V 180mAContinuous Time: About 40 hoursWor