1、Material: ipx5 waterproof cloth 2、Bluetooth solution: Bluetooth 5.0, HD call surround sound quality 3、TWS: support TWS series connection of 2 speakers and stereo surround 4、Power: 5w*2, stereo 5、Working time: 4-5 hours 6、Charging time: about 1.5 hours 7、Portable small Bluetooth speaker 8、Built in lithium battery 1800Ma
