2x8" 40W Rechargeable Portable Speaker LED Light Bluetooth/USB Features Model: KK-8203 Bluetooth version: 5.0 Product size: 707 * 265 * 265 Chip: Zhongke Lanxun Battery capacity: 3600mAh Music playing time: 3 hours Speaker unit: 8" * 2 Power 40W Support BT, TF, U disk, TWS, AUX and other modes With wireless microphone Remote control for remote control Controls and knobs Master volume control Microphone volume control Microphone reverb control Display screen