Rechargeable portable speaker 2x8" 40W LED light Bluetooth TWS/SD/USB Characteristics Model: KK-8204 Bluetooth Version: BT5.0 Black colour Chip: Zhongke Lanxun Battery capacity: 4500mAh Product size: 630*265*260mm Speaker unit: 8 inch * 2 Power 40W Charging time: about 3.5 hours Dual amplifier + treble Inputs: Bluetooth TWS/AUX/USB/SD card Accessories included Wireless microphone Remote control Audio controls Knobs for general volume and microphone  Connections 3.5mm audio jack 6.35mm audio jack for microphones SD card input USB input Bluetooth