- Power Output(RMS): 3 W
- Power Source: Rechargeable Battery
- Wireless music
U&I Woof Series Bluetooth Wireless Speaker USB handsfree mp3 player With Calling Functions And Powerful Sound Car/laptop/home/outdoor/indoor Mini Speaker With Light Compatible With All Android & Media Devices 3 W Bluetooth Version 5.0 offering a long range. This Woof Series Minispeaker provides 600mAh battery with 4 hours of play time & Built-in microphone allows you to answer calls without skipping a beat.