Portable Bluetooth Speakers with Bass, Supports USB/SD Card and Rechargeable Battery

Portable Amplifier, Supports USB/TF/FM, 30W Powerful Sound with Headset Microphone

Portable Bluetooth Speaker, Output Hi-Fi Sound Quality and Supports USB/SD/Aux-in

Bluetooth 4.0 Anti-lost Devices, Self-portrait Function, Long Battery Lifespan