Product Name:Lava lamp with Bluetooth Speaker<br><br> Mold No:ASP-817<br> Applicable to ac100-130v voltage range, such as US;<br> External power line connector according to customer requirements;<br> 2.4 electronic specifications<br> Against 2.4.1 speakers<br> A) main performance parameters<br> Working voltage: ac100-240v<br> Speaker system;1.0CH bluetooth speaker<br> Frequency response of speaker: 150Hz~18KHz<br> Sound pressure: 80 db ±3db (pink noise test signal, input signal level: 0.6V / 1K Hz, sound pressure meter MIC distance: 50 cm on the front of test speaker)<br> Output power: 3W *1CH<br> Signal to noise ratio: ≥70dB<br> Multi-media national standard: ≥68dB (less than the national standard, please do not show it on the instruction manual or package)<br><br> Horn specifications: whole horn 52 mm diameter, 4 Ω, magnetic within 3 w<br> Battery capacity/playback time: external power supply without battery;<br> 3 system requirements<br> Support remote bluetooth wireless connection, up to 10 meters of effective transmission distance<br> Bluetooth 4.2 specification, widely compatible<br><br><br> Lava lamp working instructions<br><br> After the speaker is turned on, about half an hour, the wax in the bottle begins to melt after heating, <br>about two hours, it can melt into a ball and float up, and then slowly drop down to the top, producing floating effect