Multi-point connection bluetooth broadcast RGB light mini party speaker

Bluetooth Speaker,  Factory price portable bluetooth speaker outside travel use

Multi units connectable  (up to 100pcs)

Battery capacity: 3600mah lithium battery.

Bluetooth version: 5.0.

Loudspeaker output:15W * 1

Loudspeaker size: 3 inch

transmission distance: about 20m.

Working voltage: 3.7V, distortion: < 1%.

Charging voltage: DC5V.

Charging interface: micro usb

Music Playing: about 8H.

Charging time: About 2.5h (different charger specifications have different charging time).

Music mode support: Bluetooth/USB disk/TF card/Aux in