Main functions: with digital. USB. FM. TF, AUX, flashlight product material: ABS bluetooth BT version: JL5.0 transmission distance: 10 meters horn specifications:4 Ω 10 w * 2 battery specification: 1000 mah play time: 3 h packing size: 410 * 125 * 90 mm carton size:47 * 54.5 * 43 cm Quantity / carton:: 20 PCS G/W: 22.5 KG