The speaker is able to play music via a card and receive radio waves in Thanks to an additional bass emitter, the speaker sounds voluminous and juicy, and the modern design of the case with a soft-touch coating and textured acoustic fabric will not allow it to go unnoticed. Output power: 3 W Version 4.0 Range 87.5–108 MHz is a cable inserted into the socket Frequency range: 90-16000 Hz Bitrate for or memory card 64-320 Kb/sec Battery life at medium volume: up to 4 hours built-in battery 400 mAh Battery charging time: up to 2 hours Recommended charger parameters: 5V, 1 A charging cable included (when connected to the speaker socket; do not connect to the charger at the same time) Minor matte scuffs on the upper valves of packaging boxes are not a factory defect. When checking several identical wireless devices (headphones, etc.) from one phone, it is necessary to remove the previous paired device from the list each time before checking the next instance. Otherwise, the new device will simply not be recognized and will not be able to function. To remove a device from the list on your smartphone, tap on the circle icon, etc.) at the end of the name line and select "or device" from the pairing menu. After that, you can connect the next instance to be checked to the phone.