These can withstand getting wet, no problem. Do not submerge this speaker. If you're wanting to listen to music at the bottom of the pool, or the ocean floor, these are not the speakers for it...

Up to 4 hours continuous playtime. Charges in 2 hours.

• Dimensions: 3.5”x2”x5”

• Battery: 400 mAh Li-Ion

• Rated Power: 3W

• Bluetooth: JIE LI V5.0

• Input Charging: 5V 500mA