... armband 1)Material:TPU,ABS,LED,PET. 2)battery incl:2pcs*CR2032 lithium batteries. LED armbandMaterial: TPU,ABS,LED ... button).Product packing:OPP bag.LOGO:welcome your logo,Printing on the Reflected Material.Battery: Driver operated by 2PCS CR2032 lithium batteries.Battery ... life: The 3V&230mAh battery can last for ...