Portable Bluetooth speaker

1. Speaker size : 3'' X 3

2. Output power : 3W x 3

3. Frequency response: 100Hz-20kHz

4. SN/R: 80dB

5. Play music in the USB/TF card/Bluetooth/Aux/FM mode

6. Support FM radio

7. Compatible with most of Android and Apple’s electronic devices for Bluetooth connection