ZENBRE Z8Plus Bluetooth Speakers, 20W Portable Speaker Bluetooth4.2 Wireless Stereo, 20H Playtime, 30M Bluetooth Range, IPX6 Waterproof Outdoor Speaker, EQ Button,TF Card/USB(Black) 20W Premium Sound QualityZ8 Plus featured with 2x57 mm full-range system, equipped with one bigger size 70*120mm subwoofer plus a 4" horn loaded MF. By the way, the Class D Amplifier made the sound more stable and in best balance. True Wireless Stereo, 2 Separate ChannelTWS Bluetooth speakers make 2 speakers forming composite 3D surround sound.Enable to get 360 surround sound performance as medium home-theater or fantastic family party. Choose as You Wish, Bonus EQ ButtonA button controls your music effects. POP/ Classical/ DBB -Choose as you wish! No matter want a dance or a classic music, just make it in your control. Another bonus, you could stock your music with a micro SD card or USB and play through Z8 Plus. Bluetooth 4.2, Durable Battery LifeBluetooth 4.2, make the connection faster and save the power. Built-in 6600mAh Rechargeable Battery, provide the consumption of 20W Speaker. IPX6, Multiple FeaturesWaterproof fabric and Remarkable sealed cover ensure the waterproof of IPX6.Z8Plus wireless speakers are equipped with Built-in microphone for Hands-free calling, TF/USB slot support TF card/USB.