private mode mini portable wireless bluetooth speaker card subwoofer outside the music mobile phone computer universal

interface type: usb battery capacity: 1200mah power supply: built-in lithium battery channel: 1 play time: 6 hours extended storage: 32gb bluetooth protocol: 4.0 function: card, radio, call function, nfc function play format: mp3 shell material: mesh support format: u disk cabinet material: abs appearance size: 100x60x165mm product weight: 0.5 (kg) packing list: audio, audio cable, charging cable, packaging color: blue, black, brown, camouflage power mode: usb