Tronsmart 60W portable portable wireless Bluetooth speakers ultra-powerful volume heavy bass 3D surround sound stereo

1. Is the rhythm of the music melody of the speaker synchronized with the light?
Yes, it could sync with music and vary with rhythms.

2. How long will it take to be fully charged?
4.5 Hours.

3. Does it have FM radio?
No. It is simply a standard Speaker. You can connect via NFC, Aux-in cable, USB Flash Drive, SD Card besides.
No Radio Transmitter inside.

4. Is it a waterproof speaker?
Yes, featured with IPX6 Waterproof rating, it is a pool party-proof speaker.

5. Can the lights be turned off?
Yes, you shall press the power button once to switch LED lighting mode among breathing mode, beats mode & light-off mode.

6. What is the pairing range on the speakers (how far is each speaker be placed from others during broadcast playing mode?
The speakers can be placed within 15 meters from others during broadcast playing mode.

7. How long can this party speaker play？
Up to 15 hours at 50% volume with LED off.

8. Can this speaker charge for phones?
Yes. Comes with a USB-A output, it could be used as a phone charger if emergent.

9. Does the music play automatically from USB Flash drive or TF card once inserted?
No, you have to press M button once to switch music playing, Aux-in, TF Card and USB Flash Drive in turn.

10. What's the dimension of this speaker?
361*150.3*183.4mm/14.2*5.9*7.2inch.