Stylish Bluetooth V5.0 speaker for the highest sound quality. Built-in FM radio and audio playback controls. Equipped with hands-free call answering function, ports for a micro SD card and USB. Output power: 5W * 2. Built-in lithium-ion battery with a capacity of 1200 mAh. Frequency response: 120Hz-80KHz. Charging: DC 5V micro USB (cable included). Charging time: 1.5 to 2 hours. Playing time: up to 2 hours. Transmission range: 10m. The loudspeaker grille is finished with a melange textile material.