v8 portable bluetooth speakers box mini subwoofer stereo shocked hifi sound office music wireless tf usb outdoor audio player

1. thrilling hifi sound with 40mm metal horn shock film. 2. adopt 16 core inner magnetic horn aviation metal shock mode,realize high tone bright ,bass full, realize perfect sound effect 3. all-day playtime,play more than 450 songs in 20 hours on just a single charge (on 50% volume level). 4. ultra-portable enough to be taken anywhere, like outdoor gatherings, poolside or any other adventures.