Built-in background music like twittering,rippling, and the sound of brook,water-drop,bubble
Bluetooth: Place the phone where in no more than 15 meters apart without batteries. search for bluetooth device and follow the instructions on the phone's screen.
Water Capacity: 120ml
Suitable range 10-20 m2
Size: about 95*95*175mm
Run time: Up to 4 hours continuously/ intermittently 1H/3H/8H
Multicolor LED light