Portable bluetooth speaker with radio with control by smartphone, knob or buttons. Compatible with Bluetooth 5.0, power 12W RMS, 100mm speaker, modes: bluetooth, FM radio, microSD card, AUX, USB, TWS. Built-in Li-Ion 1500mAh 3.7V battery (charged with micro USB), micro USB connector (charging the battery), frequency response 33Hz-18kHz, comfortable carrying handle, includes a detachable shoulder strap, USB port - the ability to play music from a flash drive. Playing time 6-9h, battery charging time max 3.5h.