Smart・ Multi-Functional Design・ Perfect for Outdoor Activities And Sports.Flashlight Gives Off Strong Light To Brighten Your World.Bluetooth.Stream Audio Wirelessly From Smartphone Via Bluetooth.Mp3 Player. Modern Acoustic Structure.Double Core Loudspeaker Design・Improve On Quality.Hands-Free Calls . Built-In High Sensitivity Microphone. Restrain Noise Automatically .Enjoy A Clear Voice.Power Bank.High Capacity Rechargeable Lithium Battery・Can Charge Your Phone In Urgent Case.Support T-Flash Card.Also Play Music Files Directly From Tf Card.Compact And Lightweight・ Easy To Carry.