Rechargeable Bluetooth/USB/FM/LED 6W speaker with various colors solar panel Characteristics Model: JK-1413S Audio inputs: Bluetooth, SD card, USB FM radio function MicroUSB charging cable included, charging values ​​5V - 120mAh - Charging via integrated solar panel  Dual speaker system Bluetooth Version: 5.0 Battery Capacity: 800mAh Charging time: 3-4h Usage time: from 2.5h to 4h S/N: 90db Speaker power: 3Wx2 Frequency Response: 120Hz - 20kHz With smartphone holder Dimensions: 17.5x6.5cm Keys with LED illumination Available colors: Red, Black, Blue, Grey