Dance to your heart’s beat with this wireless speaker from Corseca. Stereo is rugged that strongly delivers every beat to the soul with its audio performance. It's all bigger and better. With frequency response of 30-18+ and a 18650 lithium battery, it has auxiliary in Bluetooth, USB, TWS, FM, and has TF Card Media Playback. The output power is 2*20W with a playtime of upto 10 hours. it is rechargeable with a 2 to 3 hours charging time. The speaker has a built-in mic of 4013 size with a maximum supported memory card capacity of 32GB. The durability and portability of this stud is unquestionable. The quick access to all the buttons on the body makes it fun and user friendly.