*SL-521
-Material: ABS
-BT/FM Radio/USB/TF/TWS
-Product size:11.4*6.5*8cm
-Bluetooth:V5.0
-Battery:1200mAh
-Charging Voltage:DC5V
-Speaker：52MM
-Output power:5W
-BT connection distance: ≥10M
-Accessory:Charging cable
-Pcs/ctn: 50pcs
-Carton size:37*26.5*47.3cm
-G.W.:17.35KG