Multipurpose Portable Speakers

Portable Bluetooth Wireless speakers with a thumb button offers great sound, which could support TF/ USB/NFC/Micro SD card & talk via bluetooth & AUX, easily connects to your digital devices. Perfect For Your Home, Office, Party, College, School Or Outdoor events as a brand promotion with your custom logo. Output power:3w, Working range: 10m, Power voltage: 3.7V, Charging Voltage: 5V, Input Sensitivity: less than 400mV, Distortion less than 0.5%.