This X3 Bluetooth speaker has a detailed high frequency sound with deep and accurate bass, giving a complete musical experience within a sleek and streamlined form. It supports wireless music streaming for precision audio wherever you are. Features: Bluetooth Chipset:JieLi Battery capacity:500MA working time:2-3 hours Speaker parameter :3W Fuction:Bluetooth wireless audio transmission/phone handsfree/TF card/Audio Play Price Includes: Free setups Free virtual proof Free Logo PMS matching Free Standard shipping to 1 US location