Powerful stereo speaker with support for playback from a card or a regular USB flash drive. The line input further expands the capabilities of the speaker: it can be used as a soundbar for a laptop, PC or small TV. The set includes two self-adhesive metal nameplates: a standard one with a brand and a clean one for personal engraving. Version 5.0 Frequency range: 90-20,000 Hz Output power, maximum: 2X5W Line input card slot USB flash drive input  Plays with a bitrate from 128 to 320 KB/s Maximum card or USB flash drive capacity: 32 GB Built-in battery capacity: 1200 mAh Playback time: up to 5 hours at 40% volume Charging time: no more than 4 hours from the port or about 2 hours from the network Microphone for hands-free communication Recommended charger parameters: 5V, 1-2 A Cable included When checking several identical wireless devices, it is necessary to remove the previous device paired with the phone from the list. Otherwise, the new device will not be recognized and will not be able to function. To remove a column from the list on your smartphone, click on the icon next to the name of the device being disconnected and select "or device" from the pairing menu. After that, connect the next instance to be checked to the phone.