Cycling Stereo Wireless Bluetooth Speaker Subwoofer LED Flashlight FM Radio 4000mAh Battery TF Card Play

• Bluetooth Pairing Speed, Lower Power Consumption, Superior Compatibility.

• Adopt "Passive Resonance Membrane" Technolog, Double Magnetic 16 Core Alloy, Super Bass & Stereo Sound Quality.

• Specially Designed For Outdoor Sports, Three In One Multi-Functional Wireless Bluetooth Speaker: LED Flashlight, 4000mAh Power Bank, Bluetooth Speaker.

• Built-in 4000mAh Rechargeable Lithium Battery, Can Be Used As Power Bank To Charge Your Mobile Devices, Also Providing 36 Hours Long Lasting Lighting.